[1] Minneapolis Vet Affairs Hlth Care Syst, Ctr Chron Dis Outcomes Res, One Veteran Dr, Minneapolis, MN 55417 USA
[2] Univ Minnesota, Dept Med, Box 736 UMHC, Minneapolis, MN 55455 USA
[3] Univ Florida, Coll Med, Dept Med, Gainesville, FL USA
[4] North Florida South Georgia Vet Hlth Syst, Ctr Innovat Disabil & Rehabil Res, Gainesville, FL USA
[5] Tripler Army Med Ctr, Dept Med, Honolulu, HI 96859 USA
[6] Wake Forest Sch Med, Dept Social Sci & Hlth Policy, Winston Salem, NC USA
[7] Univ Maryland, Dept Community & Behav Hlth, College Pk, MD 20742 USA
[8] North Florida South Georgia Vet Hlth Syst, Educ & Clin Ctr, Geriatr Res, Gainesville, FL USA