[1] US Dept Vet Affairs, Vet Emergency Management Evaluat Ctr, 16111 Plummer St MS-152, North Hills, CA 91343 USA
[2] Vet Affairs Greater Los Angeles Healthcare Syst, Ctr Study Healthcare Innovat Implementat & Policy, Los Angeles, CA USA
[3] Vet Hlth Adm, Off Connected Care Telehlth Serv, Washington, DC USA
[4] Univ Calif San Diego, Dept Med, Sch Med, San Diego, CA 92103 USA
[5] Univ Calif Los Angeles, David Geffen Sch Med, Div Gen Internal Med, Hlth Serv Res, Los Angeles, CA 90095 USA
[6] Univ Calif Los Angeles, David Geffen Sch Med, Div Cardiol, Los Angeles, CA 90095 USA
[7] Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Los Angeles, CA 90095 USA
[8] Univ Calif Los Angeles, David Geffen Sch Med, Div Diabet Endocrinol & Metab, Los Angeles, CA 90095 USA
[9] Univ Memphis, Sch Publ Hlth, Div Hlth Syst Management & Policy, Memphis, TN 38152 USA