| Affiliation: | 1. Department of Emergency Medicine, The University of North Carolina at Chapel Hill, , Chapel Hill, NC;2. Division of Geriatric Medicine, Department of Medicine, The University of North Carolina at Chapel Hill, , Chapel Hill, NC;3. Indiana University Center for Aging Research Regenstrief Institute, Inc., , Indianapolis, IN;4. Department of Emergency Medicine, University of Pennsylvania, , Philadelphia, PA;5. UNC Health Care, , Chapel Hill, NC;6. Department of Health Policy and Management, The Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, , Chapel Hill, NC;7. Davidson College, , Davidson, NC |
