| Institution: | 1. Department of Medicine, Massachusetts General Hospital, Boston, MA;2. Department of Emergency Medicine, Harbor–UCLA Medical Center, Torrance, CA;3. Brigham and Women's/Massachusetts General Hospital Harvard Affiliated Emergency Medicine, Boston, MA;4. Ronald O. Perelman Department of Emergency Medicine, NYU School of Medicine, New York, NY;5. Department of Emergency Medicine, Highland Hospital–Alameda Health System, Oakland, CA;6. Department of Population Health, NYU School of Medicine, New York, NY |
