1. Department of Pediatrics, Penn State Health Milton S. Hershey Medical Center, Hershey, Pennsylvania;
2. Division of Adolescent Medicine, Department of Pediatrics, Stanford University and Teen Health Van, Stanford Children’s Health, Palo Alto, California;
3. Department of Pediatrics, School of Medicine, University of Colorado, Aurora, Colorado; and
4. Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire