1. Department of Medicine Massachusetts General Hospital Boston MA
2. Department of Emergency Medicine Harbor–UCLA Medical Center TorranceCA
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