[1] Univ Penn, Sch Nursing, 418 Curie Blvd, Philadelphia, PA 19104 USA
[2] Univ Penn, Dept Psychiat, Perelman Sch Med, Ctr Weight & Eating Disorders, Philadelphia, PA 19104 USA
[3] Univ Penn, Dept Med, Perelman Sch Med, Philadelphia, PA 19104 USA
[4] Childrens Hosp Philadelphia, Dept Psychiat, Philadelphia, PA 19104 USA