Division of General Pediatrics
Columbia University, New York, NY (Drs Kharbanda and Stockwell, and Mr Fox); Population and Family Health, Mailman School of Public Health, Columbia University New York, NY (Drs Kharbanda and Stockwell); Department of Pediatrics, New York Presbyterian Hospital, New York, NY (Drs Kharbanda, Stockwell, and Ipp); Department of Pediatrics, Weill Cornell Medical College, New York, NY (Dr Ipp); Section of Adolescent Medicine, Indiana University School of Medicine, Indianapolis, Ind (Dr Rickert)