[1] Childrens Hosp Philadelphia, Dept Pediat, 34th St & Civ Ctr Blvd, Philadelphia, PA 19104 USA
[2] Childrens Hosp Philadelphia, Ctr Pediat Clin Effectiveness & PolicyLab, Philadelphia, PA 19104 USA
[3] Childrens Hosp Philadelphia, Hlth Weight Program, Philadelphia, PA 19104 USA
[4] Univ Penn, Perelman Sch Med, Philadelphia, PA 19104 USA