1. Division of Emergency Medicine, Boston Children’s Hospital, Boston, Massachusetts
2. Departments of Pediatrics and Emergency Medicine, Harvard Medical School, Boston, Massachusetts
3. Mailman School of Public Health, Department of Epidemiology and Vagelos College of Physicians & Surgeons, Columbia University, New York, New York
4. New York Academy of Medicine, New York
5. Department of Emergency Medicine, Massachusetts General Hospital, Boston
6. MGH Gun Violence Prevention Center, Massachusetts General Hospital, Boston