1. Division of Cardiology, Department of Medicine, Minneapolis VA Healthcare System and University of Minnesota School of Medicine, Minneapolis, MN
2. Division of Cardiology, Department of Medicine, University of Minnesota School of Medicine, Minneapolis, MN
3. Clinical and Translational Science Institute, University of Minnesota, Minneapolis, MN
4. Department of Emergency Medicine, Hennepin County Medical Center, Minneapolis, MN
5. Department of Emergency Medicine, Regions Hospital, St. Paul, MN
6. Department of Cardiology, Fairview Southdale Medical Center, Minneapolis, MN
7. Department of Emergency Medicine, Allina Medical Transportation, St. Paul, MN
8. Department of Emergency Medicine, North Memorial Medical Center, Robbinsdale, MN
9. Department of Cardiology, United Hospital, St. Paul, MN
10. Division of Cardiology, Department of Medicine, Hennepin County Medical Center, Minneapolis, MN
11. Department of Cardiology, North Memorial Medical Center, Robbinsdale, MN
12. Division of Cardiology, Health East Hospital, St. Paul, MN
13. Division of Cardiology, Metropolitan Heart and Vascular Institute, Coon Rapids, MN
14. Division of Cardiology, Park Nicollet Heart and Vascular Center, St. Louis Park, MN
15. Division of Cardiology, Abbott Northwestern Hospital, Minneapolis, MN
16. Health East Emergency Medical Services, St. Paul, MN