[1] US Dept Vet Affairs, VEMEC, Sepulveda, CA 91343 USA
[2] Calif State Univ Long Beach, Gerontol Program, Long Beach, CA 90840 USA
[3] US Dept Vet Affairs, Denver Seattle Ctr Innovat, Rocky Mt Reg VA Med Ctr, Denver, CO USA
[4] US Dept Vet Affairs VA, Geriatr & Extended Care, Home & Community Based Care, Washington, DC USA
[5] Univ Memphis, Div Hlth Syst Management & Policy, Sch Publ Hlth, Memphis, TN 38152 USA