1. Department of Medicine Geriatrics Division University of Wisconsin School of Medicine and Public Health Madison WI
2. Department of Neurology Washington University School of Medicine St. Louis MO
3. Department of Emergency Medicine University of Wisconsin School of Medicine and Public Health Madison WI
4. Department of Biostatistics Fielding School of Public Health University of California at Los Angeles Los Angeles CA
5. Center for Policy and Research in Emergency Medicine Department of Emergency Medicine Oregon Heath & Science University Portland OR
6. Department of Emergency Medicine University of Rochester Rochester NY
7. Department of Emergency Medicine William Beaumont Hospital‐Troy Troy MI
8. Department of Emergency Medicine Brigham& Women's Hospital Boston MA
9. Department of Emergency Medicine The Ohio State University Wexner Medical Center Columbus OH
10. Department of Emergency Medicine William Beaumont Hospital‐Royal Oak Royal Oak MI
11. Department of Emergency Medicine University of Texas–Southwestern Dallas TX
12. Department of Emergency Medicine Thomas Jefferson University Hospital Philadelphia PA
13. Department of Emergency Medicine Wake Forest School of Medicine Winston Salem NC
14. Department of Emergency Medicine University of California Davis School of Medicine Sacramento CA
15. Department of Emergency Medicine Northeast Ohio Medical University Rootstown OH
16. Department of Emergency Medicine Vanderbilt University Nashville TN