[1] VA Greater Los Angeles Healthcare Syst, HSR&D Ctr Study Healthcare Innovat Implementat &, Sepulveda, CA USA
[2] Univ Calif Los Angeles, Dept Psychiat & Biobehav Sci, Los Angeles, CA 90095 USA
[3] Univ Calif Los Angeles, David Geffen Sch Med, Los Angeles, CA 90095 USA
[4] RAND Corp, Santa Monica, CA USA
[5] Univ Calif Los Angeles, Fielding Sch Publ Hlth, Hlth Policy & Management, Los Angeles, CA USA
[6] VA Greater Los Angeles Healthcare Syst, Transformat & Innovat, Sepulveda, CA USA
[7] VHA South Cent VA Healthcare Network, VA Integrated Serv Network 16, Ridgeland, MS USA
[8] San DiegoVA Healthcare Syst, Primary Care Serv, San Diego, CA USA
[9] Univ Calif San Diego, Dept Med, San Diego, CA 92103 USA