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