1. College of Health and Human Services, Northern Arizona University, Phoenix Biomedical Campus, Phoenix
2. Department of Physical Medicine and Rehabilitation, School of Medicine, Virginia Commonwealth University, Richmond
3. Sheltering Arms Institute, Richmond, Virginia
4. Center for Health Equity Research, Northern Arizona University, Flagstaff
5. Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Marcus Institute for Aging Research, Boston, Massachusetts
6. Division of General Internal Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia
7. Center for Health Equity Research and Promotion, Corporal Crescenz VA Medical Center, Philadelphia, Pennsylvania