[1] Univ Washington, Sch Pharm, Seattle, WA USA
[2] Univ Pittsburgh, Sch Med, Dept Geriatr Med, Pittsburgh, PA USA
[3] Univ Pittsburgh, Sch Publ Hlth, Dept Biostat, Pittsburgh, PA USA
[4] Vet Affairs Pittsburgh Healthcare Syst, Ctr Geriatr Res Educ & Clin, Pittsburgh, PA USA