[1] Baylor Coll Med, Dept Med, Sect Geriatr & Palliat Med, Houston, TX 77030 USA
[2] Ben Taub Gen Hosp, Harris Hlth Syst, House Call Program, Houston, TX 77030 USA
[3] Baylor Coll Med, Dept Med, Sect Geriatr Palliat Med, Houston, TX 77030 USA
[4] Houston VA Ctr, Michael E DeBakey Vet Affairs Med Ctr, Qual Effectiveness & Safety, Houston, TX 77030 USA
[5] Univ Utah, Sch Med, Dept Internal Med, Div Geriatr, Salt Lake City, UT USA
[6] VA Salt Lake City Geriatr Res Educ & Clin Ctr, Salt Lake City, UT USA