1. Department of Emergency Medicine Vanderbilt University Medical Center Nashville TN
2. Department of Emergency Medicine Wayne State University Detroit MI
3. Department of Emergency Medicine University of Cincinnati Medical Center Cincinnati OH
4. Division of Cardiology Brigham and Women's Medical Center Boston MA
5. Department of Emergency Medicine SUNY Downstate Medical Center Brooklyn NY
6. Department of Emergency Medicine Indiana University School of Medicine & Indianapolis EMS Indianapolis IN
7. Department of Emergency Medicine University of Texas Southwestern Medical Center Dallas TX
8. 8‐Division of Cardiology Duke University Medical Center Durham NC
9. Division of Cardiology University of California Los Angeles Ronald Reagan Medical Center Los AngelesCA
10. Division of Cardiology Henry Ford Hospital Detroit MI
11. Division of Cardiology Vanderbilt University Medical Center Nashville TN
12. Department of Emergency Medicine Baylor University Medical Center Houston TX
13. Division of Cardiology Maine Medical Center Portland ME
14. Division of Cardiology University of California San Francisco and the San Francisco VA San Francisco CA
15. Division of Cardiology Stony Brook University Medical Center Stony BrookNY