1. Department of Emergency Medicine; St. Luke's Roosevelt Hospital Center; New York; NY
2. Department of Emergency Medicine; Cedars-Sinai Medical Center; Los Angeles; CA
3. Department of Emergency Medicine; Christiana Care Health System; Newark; DE
4. Department of Emergency Medicine; University of New Mexico; Albuquerque; NM
5. Department of Emergency Medicine; University of California San Francisco at Fresno; Fresno; CA
6. Long Island Jewish Medical Center; New Hyde Park; NY
7. Department of Emergency Medicine; Brigham & Women's Hospital; Boston; MA
8. Department of Emergency Medicine; Washington University Hospital Center; St. Louis; MO
9. Department of Emergency Medicine; Beth Israel Hospital Center; New York; NY