1. Divisions of Adolescent/Young Adult Medicine,
2. Department of Medicine, Harvard Medical School, Boston, Massachusetts;
3. Hematology/Oncology, and
4. Department of Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
5. Division of Emergency Medicine, Department of Pediatrics, Columbia University College of Physicians and Surgeons, New York, New York;
6. Clinical Research Center, Boston Children’s Hospital, Boston, Massachusetts;
7. Department of Biostatistics and Epidemiology, Corrona, LLC, Southborough, Massachusetts; and
8. Department of Pediatrics, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts