1. Harvard Medical School, Boston, Massachusetts
2. Department of Emergency Medicine, Massachusetts General Hospital, Boston, Massachusetts
3. Department of Emergency Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
4. The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York
5. Department of Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
6. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts