1. Division of Adolescent/Young Adult Medicine, Boston Children’s Hospital, Boston, Massachusetts
2. Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Boston, Massachusetts
3. Division of Clinical Decision Making, Tufts Medical Center, Boston, Massachusetts
4. Department of Population Medicine, Harvard Medical School/Harvard Pilgrim Health Care Institute, Boston, Massachusetts
5. Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
6. Department of Cardiology, Boston Children’s Hospital, Boston, Massachusetts