1. Department of Psychiatry; Center for Weight and Eating Disorders, Perelman School of Medicine at the University of Pennsylvania, Philadelphia; Pennsylvania, USA
2. Department of Psychology; Duke University; Durham, North Carolina USA
3. Department of Biobehavioral Health Sciences, School of Nursing; University of Pennsylvania, Philadelphia; Pennsylvania USA
4. Department of Medicine Gastrointestinal Unit, MGH Weight Center; Massachusetts General Hospital; Boston Massachusetts USA
5. Department of Family and Community Health, School of Nursing; University of Pennsylvania; Philadelphia, Pennsylvania USA
6. Department of Psychiatry and Behavioral Sciences; Children's Hospital of Philadelphia; Philadelphia Pennsylvania USA
7. Department of Medicine; Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine at the University of Pennsylvania; Philadelphia, Pennsylvania USA