[1] Brown Univ, Warren Alpert Med Sch, Primary Care & Populat Med Program, Providence, RI 02912 USA
[2] Providence VAMC, Ctr Innovat Long Term Serv & Supports, Providence, RI USA
[3] Brown Univ, Dept Med, Warren Alpert Med Sch Brown, Providence, RI 02912 USA
[4] Brown Univ, Sch Publ Hlth, Ctr Gerontol, Providence, RI 02912 USA
[5] Virginia Commonwealth Univ, Dept Pharmacotherapy & Outcomes, Richmond, VA USA
[6] Tulane Univ, Sch Med, Dept Obstet & Gynecol, 1430 Tulane Ave, New Orleans, LA 70112 USA
[7] VA Boston Healthcare Syst, Div Geriatr & Palliat Care, Boston, MA USA
[8] Harvard Med Sch, Boston, MA USA