[1] VISN 16 CAVHS Geriatr Res Educ & Clin Ctr, Little Rock, AR USA
[2] Univ Arkansas Med Sci, Dept Psychiat, Little Rock, AR 72205 USA
[3] Univ Arkansas Med Sci, Dept Geriatr, Little Rock, AR 72205 USA
[4] Univ Arkansas Med Sci, Dept Biostat, Little Rock, AR 72205 USA
[5] Cent Arkansas Vet Healthcare Syst, Mental Hlth Serv, Little Rock, AR USA
[6] Cent Arkansas Vet Healthcare Syst, 4300 West 7th St,3J-NLR-130, Little Rock, AR 72205 USA