1. aDivision of Adolescent Medicine, Departments of Pediatrics and Orthopedics and Sports Medicine, University of Washington and Seattle Children’s Hospital, Seattle, Washington
2. bDivision of Adolescent Medicine, Department of Pediatrics, Albert Einstein College of Medicine and The Children’s Hospital at Montefiore, Bronx, New York
3. cThe Barbara Bush Children's Hospital at Maine Medical Center, MaineHealth, Portland, Maine