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Research Brief| Volume 49, ISSUE 7, P588-592.e1, July 2017

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Following Suit: Using Conversation Cards for Priority Setting in Pediatric Weight Management

      Abstract

      Objective

      To describe families' selections of Conversation Cards (CCs), a priority-setting tool in pediatric weight management, and examine CC-related differences based on families’ anthropometric and sociodemographic characteristics.

      Methods

      A retrospective medical record review was conducted of 2- to 17-year-olds with obesity and their families who enrolled in a pediatric weight management clinic between January, 2012 and September, 2016.

      Results

      Medical records of 146 children were included. On average, families selected 10 ± 6 CCs (range, 3–32 CCs); only 50% of families (n = 73) indicated perceived readiness to make healthy changes. Adolescents (vs children) revealed less healthy eating behaviors (P = .001) and physical activity habits (P = .002). Goal setting was perceived to be a motivator across several sociodemographic characteristics (all P < .05).

      Conclusions and Implications

      The CCs were useful in describing families' priorities. The diversity of issues identified by families highlighted the importance of multidisciplinary expertise in pediatric weight management.

      Key Words

      Introduction

      Obesity is a complex public health issue that influences the health and well-being of an increasing number of children and adolescents
      • Ogden C.L.
      • Carroll M.D.
      • Lawman H.G.
      • et al.
      Trends in obesity prevalence among children and adolescents in the United States, 1988-1994 through 2013-2014.
      and remains a difficult topic for many health care providers (HCPs) and families to discuss.
      • Perrin E.M.
      • Vann J.C.J.
      • Lazorick S.
      • et al.
      Bolstering confidence in obesity prevention and treatment counseling for resident and community pediatrics.
      Health care providers expressed difficulty in counseling families with regard to weight management as well as nutrition and physical activity habits.
      • Perrin E.M.
      • Vann J.C.J.
      • Lazorick S.
      • et al.
      Bolstering confidence in obesity prevention and treatment counseling for resident and community pediatrics.
      In particular, they reported a range of barriers, including a lack of motivation, time, and support services.
      • Shue C.K.
      • Whitt J.K.
      • Daniel L.
      • Shue C.B.
      Promoting conversations between physicians and families about childhood obesity: evaluation of physician communication training within a clinical practice improvement initiative.
      Along these lines, HCPs identified a need for educational tools to support their clinical work in pediatric weight management, especially with regard to enabling constructive conversations and informing care.
      • Teixeira F.V.
      • Pais-Ribeiro J.L.
      • Maia A.
      A qualitative study of GPs’ views towards obesity: are they fighting or giving up?.
      • He M.
      • Piché L.
      • Clarson C.L.
      • Callaghan C.
      • Harris S.B.
      Childhood overweight and obesity management: a national perspective of primary health care providers’ views, practices, perceived barriers and needs.
      In 2012, Conversation Cards (CCs)
      • Ball G.D.C.
      • Farnesi B.C.
      • Newton A.S.
      • et al.
      Join the conversation! The development and preliminary application of Conversation Cards in pediatric weight management.
      were developed to foster priority setting for behavior change for families enrolled in pediatric weight management and to stimulate communication and collaboration between HCPs and families. As such, CCs were developed and applied for 2 primary reasons: first, to help families think about and prioritize key challenges and issues that they believed were relevant to pediatric weight management; and second, to serve as practical points of reference for HCPs at treatment initiation and during future clinical encounters, which could assist in tailoring treatment plans for families based on their priorities that often evolved over time.
      Informed by a knowledge synthesis
      • Farnesi B.C.
      • Ball G.D.C.
      • Newton A.S.
      Family-health professional relations in pediatric weight management: an integrative review.
      and qualitative data,
      • Farnesi B.C.
      • Newton A.S.
      • Holt N.L.
      • Sharma A.M.
      • Ball G.D.C.
      Exploring collaboration between clinicians and parents to optimize pediatric weight management.
      a deck of CCs contained 44 cards organized across 6 categorical suits, including communication, interpersonal relationships, nutrition, parenting, physical activity, and weight management. The cards included a number of common topics (eg, child behavior, child–parent relationship, role of HCPs) in which families often desired support. Each card contained an individual statement within 1 of the suits and was worded positively (eg, Ongoing contact with our clinician keeps us motivated) or negatively (eg, I feel overwhelmed and lack support). Conversation Cards were well received by families and HCPs and were easily integrated into the practices of HCPs working in pediatric weight management.
      • Ball G.D.C.
      • Farnesi B.C.
      • Newton A.S.
      • et al.
      Join the conversation! The development and preliminary application of Conversation Cards in pediatric weight management.
      The purpose of the current study was to investigate families' use of CCs in a family-centered, multidisciplinary pediatric weight management clinic. More specifically, the objectives of this medical record review were to describe families' selections of CCs and examine whether family characteristics varied according to the number and type of CCs selected.

      Methods

      This study was a cross-sectional, retrospective medical record review. The researchers optimized methodological rigor along with data accuracy and completeness when retrieving information by adhering to established recommendations for performing medical record reviews (eg, using a standardized electronic form for data collection, training a data abstractor and data auditor, completing an independent data audit).
      • Vassar M.
      • Holzmann M.
      The retrospective chart review: important methodological considerations.
      Data retrieved from medical records were established after team meeting consultations (MK, SD, and GDCB). The data abstraction form was created and managed using Excel (Office 2016 for Mac; Microsoft Corp., Redmond, WA) and consisted of variable entries organized in an order similar to that found in the original medical records. The form was modified as needed, after a 1-day training period of the data abstractor and data auditor, which included (1) a revision of the included variables and the format of the abstraction form, (2) pilot-testing the abstraction form using a random sample of data from 5 medical records, and (3) a joint revision of the coding and consensus on any discrepancies (eg, clear operationalization of variables, consistency in data recording styles).

      Data Collection

      Data were retrieved from all families (consecutive sampling) who enrolled in pediatric weight management at the Pediatric Centre for Weight and Health between January, 2012 and September, 2016 and whose medical records contained CC-related information. The clinic provided care to 2- to 17-year-olds with an age- and sex-specific body mass index (BMI) ≥ the 85th percentile

      A health professional’s guide for using the WHO growth charts for Canada (redesigned 2014). Dietitians of Canada and Canadian Paediatric Society. http://www.dietitians.ca/Downloads/Public/DC_HealthProGrowthGuideE.aspx. Accessed March 2, 2017.

      ; all children included in the current study satisfied these criteria.
      After referral for weight management by local physicians, families attended a monthly group-based orientation session in which they were informed about available services at the clinic. At this time, CCs were made available to attendees. A clinical or research team member instructed families to select and document the cards that reflected their priorities (enablers or challenges) for weight management; families were not limited by the number of cards they could choose. Upon completion, families' card choices were collected and inserted into children's medical records, which allowed HCPs to gain insight into families' priorities before their first clinical appointment. Baseline anthropometric (eg, children's height and weight) and sociodemographic (eg, ethnicity, family income) data were retrieved from children's medical records using a standardized protocol.
      • Salawi H.A.
      • Ambler K.A.
      • Mager D.
      • Padwal R.S.
      • Chan C.B.
      • Ball G.D.C.
      Characterizing severe obesity in children and youth.
      • Prince R.L.
      • Kuk J.L.
      • Ambler K.A.
      • Dhaliwal J.
      • Ball G.D.C.
      Predictors of metabolically healthy obesity in children.
      To optimize data accuracy and rigor, a 10% random sample of records was audited independently (by SD) after all data were retrieved (by MK). Across all variables, there was high internal consistency (Cronbach α = .89) and reproducibility (intraclass correlation coefficient = 0.89). Any discrepancies were discussed by MK and SD, verified, and agreed on by consensus. This study received research ethics approval by the Human Research Ethics Board at the University of Alberta (Edmonton, Alberta) and operational approval from Alberta Health Services (Stollery Children's Hospital, Edmonton, Alberta).

      Data Analysis

      Children's height (in centimeters) and weight (in kilograms) were used to calculate BMI, BMI percentiles, and BMI z-scores. Descriptive statistics (eg, means, SDs, proportions) were performed for anthropometric, sociodemographic, and CC data. Differences in CC selections (frequency and type) were examined across the following groups: (1) age at baseline assessment, <13 years (children) vs ≥13 years (adolescents); (2) sex, male vs female; (3) ethnicity, Caucasian vs non-Caucasian; (4) weight status, overweight (+1 BMI SD units) and obese (+2 BMI SD units) vs severely obese (≥+3 BMI SD units)

      A health professional’s guide for using the WHO growth charts for Canada (redesigned 2014). Dietitians of Canada and Canadian Paediatric Society. http://www.dietitians.ca/Downloads/Public/DC_HealthProGrowthGuideE.aspx. Accessed March 2, 2017.

      ; (5) enrollment status, discharged vs active; (6) dropout time point, <7 vs ≥7 months (median split
      • Iacobucci D.
      • Posavac S.S.
      • Kardes F.R.
      • Schneider M.J.
      • Popovich D.L.
      The median split: robust, refined, and revived.
      ); (7) parental education, postsecondary vs less than postsecondary; and (8) household income, <$80,000 vs ≥$80,000 (CDN). Group differences for categorical data were examined using chi-square test of independence or Fisher's exact test, where applicable. SPSS (version 24.0; SPSS, Inc, Chicago, IL) was used for data analysis, and group differences at P < .05 were considered statistically significant.

      Results

      This medical record review yielded a sample of 146 participants for inclusion (Table), which represented 48% of the total sample (N = 307) of children who enrolled in the clinic during the study time frame. Parents were primarily female (89%) and Caucasian (69%); approximately one half completed postsecondary education (51%) and had an annual household income of ≥$80,000 (CDN) (46%). On average, families selected 10 ± 6 cards (range, 3–32 cards), including equal proportions of positively and negatively worded cards. When CCs selected by families were grouped according to suit and rank-ordered from most to least popular, they were organized accordingly (percentage of total selected cards): nutrition (25%), physical activity (24%), parenting (24%), interpersonal relationships (23%), communication (20%), and weight management (19%). Each of the 44 cards in the deck was selected at least 7 times. The top 5 most frequently selected CCs (Figure) included (1) families' readiness to make healthy changes (n = 73; 50%), (2) the benefit of involving children and adolescents in discussions (n = 61; 42%), (3) the importance of children and adolescents in sharing their thoughts (n = 59; 40%), (4) wanting to learn how to make healthy foods fun (n = 57; 39%), and (5) the desire for a specially trained fitness instructor to work with children and adolescents (n = 56; 38%).
      TableAnthropometric and Demographic Characteristics of Participants (n = 146)
      CharacteristicsChildren
      Age, y
      n = 139
      12.0 ± 3.3
      Sex, n (%)
       Female78 (53)
       Male68 (47)
      Ethnicity, n (%)
       Caucasian84 (58)
       Non-Caucasian42 (29)
       Not available20 (14)
       BMI, kg/m2
      n = 135.
      31.6 ± 7.2
       BMI percentile
      n = 135.
      99.4 ± 1.6
       BMI z-score
      n = 135.
      3.4 ± 1.3
      Weight status, n (%)
       Overweight9 (6)
       Obesity48 (33)
       Severe obesity78 (53)
       Not available11 (8)
      BMI indicates body mass index.
      Notes: Data are presented as means ± SD unless otherwise noted; incomplete sample sizes are given owing to unavailable or unreported data.
      a n = 139
      b n = 135.
      Figure thumbnail gr1
      FigureTop 5 most frequently selected Conversation Cards.
      Categorical analyses generated a number of noteworthy differences among groups based on their card selections. Specifically, (1) compared with children, a greater proportion of adolescents disliked exercising (χ2 = 9.4; P = .002) and bought fast food in the absence of their parents (χ2 = 11.8; P = .001); (2) compared with their peers with overweight and obesity, a greater proportion of individuals with severe obesity reported that follow-up visits helped them to stay on track (χ2 = 4.8; P = .03); and (3) in relation to children and adolescents of Caucasian background, a larger proportion of non-Caucasians described being too shy to talk with HCPs (Fisher's exact test; P = .02). Furthermore, compared with their counterparts, a greater proportion of parents with a (1) higher level of education and (2) lower household income reported that setting goals helped them to remain motivated (χ2 = 7.1, P = .008; and χ2 = 7.6, P = .03, respectively). Finally, a higher proportion of families with lower household incomes reported that their finances limited what they could do (χ2 = 5.0; P = .003) compared with higher-income families. This finding was similar to parents with a lower level of education (χ2 = 9.2; P = .002), for whom a greater proportion reported financial limitations in registering their sons and daughters in sports (χ2 = 5.0; P = .03).

      Discussion

      This retrospective medical record review revealed several findings of relevance to families enrolled in multidisciplinary pediatric weight management. The number and type of cards selected by families reflected a range of enablers and challenges that were relevant to their health services. Card choices varied across anthropometric and sociodemographic characteristics at both patient (ie, age, ethnicity, weight status) and family (ie, parent education, household income) levels. Specifically, the most salient themes related to elements of motivation for healthy lifestyle behaviors and providing tailored care to subgroups of patients (and families) that may be at increased risk for psychosocial and physical health risks.
      Only half of the families communicated a readiness to make healthy changes, which suggested that families were not universally motivated to participate in care. In an earlier, independent report,
      • Maximova K.
      • Ambler K.A.
      • Rudko J.N.
      • Chui N.
      • Ball G.D.C.
      Ready, set, go! Readiness to change nutrition and physical activity habits in parents of children referred for obesity management.
      only about 40% of parents (n = 43 of 113) were engaged in making lifestyle behavior changes in nutrition and physical activity at the time of enrollment in pediatric weight management.
      • Ball G.D.C.
      • Lenk J.M.
      • Barbarich B.N.
      • et al.
      Overweight children and adolescents referred for weight management: are they meeting lifestyle behaviour recommendations?.
      In the pursuit of healthy lifestyle, behavioral, and cognitive changes, HCPs are encouraged to establish measurable and achievable goals with families. Indeed, in this study, parents with a higher level of education and lower household income considered goal setting as a motivational strategy that likely contributed positively to their care. That goal setting was an important motivational activity in weight management complemented a previous study
      • Howie E.K.
      • McManus A.
      • Smith K.L.
      • Fenner A.A.
      • Straker L.M.
      Practical lessons learned from adolescent and parent experiences immediately and 12 months following a family-based healthy lifestyle intervention.
      in which adolescents cited motivation as the most common enabler of healthy behavior change. Goal setting can assist with adherence to healthy behaviors by motivating adolescents who tend to have the developmental capacity and interest to be autonomous. Because adolescence marks a period of increased independence, and lifestyle behaviors
      • Craigie A.M.
      • Lake S.A.
      • Adamson A.J.
      • Mathers J.C.
      Tracking of obesity-related behaviours from childhood to adulthood: a systematic review.
      and weight status
      • Simmonds M.
      • Burch J.
      • Llewellyn A.
      • et al.
      The use of measures of obesity in childhood for predicting obesity and the development of obesity-related diseases in adulthood: a systematic review and meta-analysis.
      during this dynamic stage in life are likely to extend into adulthood, there is clear value in adopting healthy lifestyle behaviors from an early age. Accordingly, conveying healthy behaviors through behavior change strategies such as goal setting as part of the clinical care received by families in this sample was consequential.
      Families enroll in pediatric weight management for a variety of reasons (eg, concern about children's weight, improvement in lifestyle habits, need for external support)
      • Perez A.J.
      • Avis L.S.
      • Holt N.L.
      • et al.
      Why do families enroll in paediatric weight management? A parental perspective of reasons and facilitators.
      and present clinically with variable characteristics, needs, and priorities. These realities emphasize that a singular therapeutic approach will not suit all families. In this study, families whose sons and daughters had severe obesity highlighted (to a greater degree than their peers with overweight and obesity) the merit of follow-up visits to help them to stay on track. This suggests that support from HCPs may be particularly important and meaningful to those with severe obesity to help them with weight management. Akin to differences resulting from anthropometric factors, some families were more likely to encounter challenges in navigating the health care system because of contextual and socioeconomic factors. Children and adolescents of non-Caucasian origin who took part in this study selected a CC that reflected difficulty in communicating with HCPs, which implied that cultural differences or language barriers reflected important challenges in their clinical interactions. Within families with a lower level of education and lower household income, the CC selections identified that financial limitations influenced their ability to engage in healthy lifestyle behaviors. Because these factors can impede successful weight management and engagement in care,
      • Perez A.
      • Holt N.
      • Gokiert R.
      • et al.
      Why don’t families initiate treatment? A qualitative multicentre study investigating parents’ reasons for declining paediatric weight management.
      there is a need to offer complementary support for families when it is indicated (eg, translation services, financial assistance). Clinical assessments may not always reveal the challenges faced by families, so CCs represent a tangible tool that can prompt families to share relevant insights and priorities with HCPs. Of note, no group differences were observed for enrollment status or dropout time point, which suggests that although the cards were helpful during treatment (eg, priority setting), they were not able to differentiate families based on treatment initiation or termination of care, at least according to how these constructs were operationalized in this study.
      This study had limitations. First, most families were Caucasian and included children and adolescents with severe obesity, so findings may differ among non-Caucasian families and families with individuals who have less excess weight. Second, despite instructions shared with families to select CCs as a family unit, it is unclear whether CCs were selected by parents exclusively or if parents and children completed this task together. Clearly defining the target of CC selections can help to ensure consistency among families for analytic and research purposes, but is less important clinically. Finally, although this study's sample included approximately one half of all children who attended the clinic during the study time frame, the demographic and anthropometric characteristics of these children did not differ from those in previous reports that included children from the same weight management clinic.
      • Avis J.L.S.
      • Ambler K.A.
      • Jetha M.M.
      • Boateng H.
      • Ball G.D.C.
      Modest treatment effects and high program attrition: the impact of interdisciplinary, individualized care for managing paediatric obesity.

      Implications for Research and Practice

      Families presenting to a multidisciplinary pediatric weight management clinic used CCs to report a variety of issues that were relevant to their health services and their capacity and ability to make healthy changes. The needs and preferences of families relating to motivation and clinical support, especially across socioeconomic groupings, revealed the complexity of patient- and family-level priorities that HCPs can address. Implicitly, data from this study highlighted the value of a team of HCPs with diverse and complementary expertise in pediatric medicine, weight management, lifestyle behaviors, and psychosocial health, which is best suited to support families managing pediatric obesity.
      • Styne D.M.
      • Arslanian S.A.
      • Connor E.L.
      • et al.
      Pediatric obesity—assessment, treatment, and prevention: an Endocrine Society clinical practice guideline.
      Offering families a menu of services that align with their readiness, motivation, and ability to participate actively in pediatric weight management is ideal. As part of a comprehensive initial assessment in a clinical setting, CCs may be useful to complement existing processes and procedures for both HCPs and families, which can tailor therapeutic interventions to families' individual needs and explore potential changes over time. Additional research is needed to determine the perceptions and experiences of HCPs and families using CCs in their clinical interactions and whether CCs can serve as a practical tool to enable goal setting and motivation related to changing lifestyle habits for managing pediatric obesity.

      Acknowledgments

      The authors wish to thank Chenhui Peng (data analyst, Pediatric Centre for Weight and Health, Stollery Children's Hospital, Alberta Health Services, Edmonton, Alberta, Canada) for assistance with data management.

      Conflict of Interest

      GDCB co-developed Conversation Cards with Ms Carla Farnesi (former graduate student) and worked in partnership with the Canadian Obesity Network to distribute the cards through their online store. GDCB has derived no direct financial benefit from this distribution. GDCB is also the director of the weight management clinic from which study data were derived. All other authors have no conflicts of interest to declare. No honorarium or other form of payment was given to anyone involved in the production of this manuscript.

      References

        • Ogden C.L.
        • Carroll M.D.
        • Lawman H.G.
        • et al.
        Trends in obesity prevalence among children and adolescents in the United States, 1988-1994 through 2013-2014.
        JAMA. 2016; 315: 2292-2299
        • Perrin E.M.
        • Vann J.C.J.
        • Lazorick S.
        • et al.
        Bolstering confidence in obesity prevention and treatment counseling for resident and community pediatrics.
        Patient Educ Couns. 2008; 73: 179-185
        • Shue C.K.
        • Whitt J.K.
        • Daniel L.
        • Shue C.B.
        Promoting conversations between physicians and families about childhood obesity: evaluation of physician communication training within a clinical practice improvement initiative.
        Health Commun. 2016; 31: 408-416
        • Teixeira F.V.
        • Pais-Ribeiro J.L.
        • Maia A.
        A qualitative study of GPs’ views towards obesity: are they fighting or giving up?.
        Public Health. 2015; 129: 218-225
        • He M.
        • Piché L.
        • Clarson C.L.
        • Callaghan C.
        • Harris S.B.
        Childhood overweight and obesity management: a national perspective of primary health care providers’ views, practices, perceived barriers and needs.
        Paediatr Child Health. 2010; 15: 419-426
        • Ball G.D.C.
        • Farnesi B.C.
        • Newton A.S.
        • et al.
        Join the conversation! The development and preliminary application of Conversation Cards in pediatric weight management.
        J Nutr Educ Behav. 2013; 45: 476-478
        • Farnesi B.C.
        • Ball G.D.C.
        • Newton A.S.
        Family-health professional relations in pediatric weight management: an integrative review.
        Pediatr Obes. 2012; 7: 175-186
        • Farnesi B.C.
        • Newton A.S.
        • Holt N.L.
        • Sharma A.M.
        • Ball G.D.C.
        Exploring collaboration between clinicians and parents to optimize pediatric weight management.
        Patient Educ Couns. 2012; 87: 10-17
        • Vassar M.
        • Holzmann M.
        The retrospective chart review: important methodological considerations.
        J Educ Eval Health Prof. 2013; 10: 12
      1. A health professional’s guide for using the WHO growth charts for Canada (redesigned 2014). Dietitians of Canada and Canadian Paediatric Society. http://www.dietitians.ca/Downloads/Public/DC_HealthProGrowthGuideE.aspx. Accessed March 2, 2017.

        • Salawi H.A.
        • Ambler K.A.
        • Mager D.
        • Padwal R.S.
        • Chan C.B.
        • Ball G.D.C.
        Characterizing severe obesity in children and youth.
        BMC Pediatr. 2014; 14: 154
        • Prince R.L.
        • Kuk J.L.
        • Ambler K.A.
        • Dhaliwal J.
        • Ball G.D.C.
        Predictors of metabolically healthy obesity in children.
        Diabetes Care. 2014; 37: 1462-1468
        • Iacobucci D.
        • Posavac S.S.
        • Kardes F.R.
        • Schneider M.J.
        • Popovich D.L.
        The median split: robust, refined, and revived.
        J Consum Psychol. 2015; 25: 690-704
        • Maximova K.
        • Ambler K.A.
        • Rudko J.N.
        • Chui N.
        • Ball G.D.C.
        Ready, set, go! Readiness to change nutrition and physical activity habits in parents of children referred for obesity management.
        Pediatr Obes. 2014; 10: 353-360
        • Ball G.D.C.
        • Lenk J.M.
        • Barbarich B.N.
        • et al.
        Overweight children and adolescents referred for weight management: are they meeting lifestyle behaviour recommendations?.
        Appl Physiol Nutr Metab. 2008; 33: 936-945
        • Howie E.K.
        • McManus A.
        • Smith K.L.
        • Fenner A.A.
        • Straker L.M.
        Practical lessons learned from adolescent and parent experiences immediately and 12 months following a family-based healthy lifestyle intervention.
        Child Obes. 2016; 12: 401-409
        • Craigie A.M.
        • Lake S.A.
        • Adamson A.J.
        • Mathers J.C.
        Tracking of obesity-related behaviours from childhood to adulthood: a systematic review.
        Maturitas. 2011; 70: 266-284
        • Simmonds M.
        • Burch J.
        • Llewellyn A.
        • et al.
        The use of measures of obesity in childhood for predicting obesity and the development of obesity-related diseases in adulthood: a systematic review and meta-analysis.
        Health Technol Assess. 2015; 19: 1-336
        • Perez A.J.
        • Avis L.S.
        • Holt N.L.
        • et al.
        Why do families enroll in paediatric weight management? A parental perspective of reasons and facilitators.
        Child Care Health Dev. 2016; 42: 278-287
        • Perez A.
        • Holt N.
        • Gokiert R.
        • et al.
        Why don’t families initiate treatment? A qualitative multicentre study investigating parents’ reasons for declining paediatric weight management.
        Paediatr Child Health. 2015; 20: 179-184
        • Avis J.L.S.
        • Ambler K.A.
        • Jetha M.M.
        • Boateng H.
        • Ball G.D.C.
        Modest treatment effects and high program attrition: the impact of interdisciplinary, individualized care for managing paediatric obesity.
        Paediatr Child Health. 2013; 18: e59-e63
        • Styne D.M.
        • Arslanian S.A.
        • Connor E.L.
        • et al.
        Pediatric obesity—assessment, treatment, and prevention: an Endocrine Society clinical practice guideline.
        J Clin Endocrinol Metabol. 2017; 102: 1-49