[1] Duke Ctr Study Aging & Human Dev, Durham, NC 27710 USA
[2] Duke Off Clin Res, Durham, NC 27710 USA
[3] Duke Outpatient Clin, Durham, NC 27704 USA
[4] Duke Univ, Med Ctr, Dept Case Management & Clin Social Work, Durham, NC 27710 USA
[5] Duke Univ, Med Ctr, Dept Pharm, Durham, NC 27710 USA
[6] Duke Univ, Sch Nursing, Durham, NC 27710 USA
[7] Univ N Carolina, Cecil G Sheps Ctr Hlth Serv Res, Chapel Hill, NC 27516 USA
[8] Durham VA Geriatr Res Educ & Clin Ctr, Durham, NC 27705 USA