[1] Vet Affairs Palo AltoHealth Care Syst, Ctr Innovationto Implementat, MDP-152,705 Willow Rd, Menlo Pk, CA 94025 USA
[2] Vet Affairs Palo Alto Hlth Care Syst, Ctr Innovat Implementat, Menlo Pk, CA USA
[3] Stanford Univ, Div Primary Care & Populat Hlth, Sch Med, Stanford, CA USA
[4] Univ Calif San Francisco, Dept Med, San Francisco, CA USA
[5] Vet Affairs San Francisco Hlth Care Syst, Sect Hosp Med, San Francisco, CA USA
[6] Vet Affairs Palo Alto Hlth Care Syst, Hlth Econ Resource Ctr, Menlo Pk, CA USA
[7] Vet Affairs Palo Alto Hlth Care Syst, Geriatr Res Educ & Clin Ctr, Palo Alto, CA USA
[8] Stanford Univ, Dept Epidemiol & Populat Hlth, Sch Med, Stanford, CA USA
[9] Stanford Univ, Dept Sociol, Stanford, CA USA
[10] Univ Calif San Diego, San Diego Sch Med, Dept Med, San Diego, CA USA