1. College of Health and Human Services, University of New Hampshire, Durham, NH, USA
2. Department of Internal Medicine and Cognitive Health Services Research Program, U-M Medical School, Ann Arbor, MI, USA
3. VA Ann Arbor Healthcare System, Ann Arbor, MI, USA
4. Institute for Social Research, U-M, Ann Arbor, MI, USA
5. Department of Neurology and Stroke Program, U-M, Ann Arbor, MI, USA
6. Lake Erie College of Osteopathic Medicine (LE-COM), Greensburg, PA, USA
7. School of Medicine, Fudan University, Shanghai, China
8. Department of Psychiatry and Behavioral Science, Duke University School of Medicine, Durham, NC, USA
9. Kollman Research Services, Ann Arbor, MI, USA