1. Department of Emergency Medicine, Massachusetts General Hospital, Boston
2. Department of Emergency Medicine, Harvard Medical School, Boston, Massachusetts
3. Department of Emergency Medicine, University of Massachusetts Medical School, Worcester
4. Department of Psychiatry and Human Behavior and Neurology, Warren Alpert Medical School, Brown University, Providence, Rhode Island
5. Department of Neurology, Warren Alpert Medical School, Brown University, Providence, Rhode Island
6. Aging Brain Center, Marcus Institute for Aging Research, Hebrew SeniorLife, Harvard Medical School, Boston, Massachusetts
7. Emergency Medicine, St Mary Mercy Livonia Hospital, Livonia, Michigan
8. Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
9. Department of Emergency Medicine, Maine Medical Center, Portland
10. Department of Clinical Nursing Resources, Maine Medical Center, Portland
11. Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
12. Department of Emergency Medicine, Yale School of Medicine, New Haven, Connecticut
13. Department of Emergency Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill
14. Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts