[1] Durham Vet Affairs Med Ctr, Hlth Serv Res & Dev HSR& D Ctr Hlth Serv Res Prim, Durham, NC 27705 USA
[2] Duke Univ, Med Ctr, Div Gen Internal Med, Durham, NC 27710 USA
[3] Ann Arbor Vet Affairs Med Ctr, HSR & D Ctr Clin Management Res, Ann Arbor, MI USA
[4] Univ Michigan, Sch Med, Div Gen Med, Ann Arbor, MI USA
[5] Univ New Mexico, Hlth Sci Ctr, Ctr Telehealth & Cybermed Res, Albuquerque, NM 87131 USA
[6] Vet Hlth Adm, Off Care Coordinat Serv, Washington, DC USA
[7] Vet Hlth Adm, Off Patient Care Serv, Washington, DC USA
[8] Veteran Affairs Greater Los Angeles Healthcare Sy, Off Grad Med Educ & Geriatr Res, Educ & Clin Ctr, Los Angeles, CA USA
[9] Univ Calif Los Angeles, David Geffen Sch Med, Los Angeles, CA 90095 USA
[10] Vet Affairs Puget Sound Hlth Care Syst, HSR & D Northwest Outcomes Res Older Adults, Seattle, WA USA
[11] Univ Washington, Sch Publ Hlth, Dept Hlth Serv, Seattle, WA 98195 USA
[12] Edith Nourse Rogers Mem Vet Hosp, HSR & D Ctr Hlth Qual Outcomes & Econ Res, Bedford, MA USA
[13] Univ Massachusetts, Sch Med, Dept Qualitat Hlth Sci, Worcester, MA USA
[14] Cent Reg, Vet Rural Hlth Resource Ctr, Iowa City, IA USA
[15] Vet Hlth Adm, Vet & Consumers Hlth Informat Off, Off Hlth Informat, Washington, DC USA
[16] Telemed & Adv Technol Res Ctr, Ft Detrick, MD USA
[17] Grp Hlth Cooperat Puget Sound, Grp Hlth Res Inst, Seattle, WA 98121 USA