1. Department of Medicine Vanderbilt University Medical Center Nashville Tennessee USA
2. Department of Biostatistics Vanderbilt University Medical Center Nashville Tennessee USA
3. Population Health Norton Healthcare Louisville Kentucky USA
4. Department of Emergency Medicine University of Kentucky Lexington Kentucky USA
5. Consultant and Program Director Appalachia Regional Healthcare Hazard Kentucky USA
6. Department of Medicine University of Louisville Louisville Kentucky USA
7. Knox County Health Department Knoxville Tennessee USA
8. Department of Medicine Carilion Clinic Roanoke Virginia USA
9. Madison County Health Department Madison County North Carolina USA
10. Department of Emergency Medicine West Virginia University Morgantown West Virginia USA
11. Department of Emergency Medicine Vanderbilt University Medical Center Nashville Tennessee USA
12. Department of Emergency Medicine Vanderbilt University Medical Center and the Geriatric Research, Education, and Clinical Center Tennessee Valley Healthcare Center Nashville Tennessee USA
13. Department of Emergency Medicine and Vanderbilt Institute for Clinical and Translational Research Vanderbilt University Medical Center Nashville Tennessee USA