1. Center for Quality Aging; Vanderbilt University School of Medicine; Nashville TN USA
2. Department of Emergency Medicine; Department of Medicine; Vanderbilt University School of Medicine; Nashville TN USA
3. Center for Health Services Research; Vanderbilt University School of Medicine; Nashville TN USA
4. Division of General Internal Medicine and Public Health; Section of Hospital Medicine; Vanderbilt University School of Medicine; Nashville TN USA
5. Geriatric Research; Education; and Clinical Center; Department of Veterans Affairs Medical Center; Tennessee Valley Health Care Center; Nashville TN USA
6. Department of Biostatistics; Vanderbilt University School of Medicine; Nashville TN USA
7. Division of General Internal Medicine and Public Health; Vanderbilt University Medical Center; Nashville TN USA
8. Division of Allergy; Pulmonary; and Critical Care Medicine; Vanderbilt University School of Medicine; Nashville TN USA