1 Chana A. Sacks, M.D., M.P.H., is at the Division of General Internal Medicine and the Mongan Institute, Department of Medicine, at Massachusetts General Hospital in Boston, a member of the MGH Center for Gun Violence Prevention, and a faculty member at Harvard Medical School. Peter T. Masiakos, M.D., M.S., is at the Division of General Internal Medicine and the Mongan Institute, Department of Medicine, at Massachusetts General Hospital in Boston, a member of the MGH Center for Gun Violence Prevention, and a faculty member at Harvard Medical School. Department of Surgery at Massachusetts General Hospital in Boston.