1. Geriatric Research Education and Clinical Center Louis Stokes Cleveland VA Medical Center Cleveland Ohio USA
2. U.S. Department of Veterans Affairs Office of Primary Care Washington District of Columbia USA
3. Eastern Colorado Geriatric Research Education and Clinical Center Rocky Mountain Regional VA Medical Center Aurora Colorado USA
4. University of Florida College of Medicine U.S. Department of Veterans Affairs, Office of Emergency Medicine Washington District of Columbia USA
5. Ambulatory Care Department Louis Stokes Cleveland VA Medical Center Cleveland Ohio USA
6. Duke University Department of Surgery, Division of Emergency Medicine, Emergency Medicine Department, Durham VA Health Care System Durham North Carolina USA