1. Department of Emergency Medicine; Yale University; New Haven CT
2. Department of Emergency Medicine; Massachusetts General Hospital; Boston MA
3. The Patient-Centered Outcomes Research Institute; Washington DC
4. College of Nursing; University of Illinois at Chicago; Chicago IL
5. Department of Emergency Medicine; Mayo Clinic; Rochester MN
6. Department of Emergency Medicine; Sidney Kimmel Medical College of Thomas Jefferson University; Philadelphia PA
7. Section of Cardiology; Department of Medicine; Columbia University; New York NY
8. Department of Emergency Medicine; Warren Alpert Medical School of Brown University; Providence RI
9. National Heart; Lung and Blood Institute (NHLBI); Washington DC
10. Department of Emergency Medicine; University of Maryland; College Park MD
11. Department of Emergency Medicine; University of California; Davis Medical Center; Davis CA