[1] VA Greater Los Angeles Healthcare Syst, Vet Affairs Qual Enhancement Res Initiat QUERI HI, Los Angeles, CA USA
[2] Ctr Excellence Study Healthcare Provider Behav, VA Hlth Serv Res & Dev HSR&D, Los Angeles, CA USA
[3] Minneapolis VA Healthcare Syst, Ctr Chron Dis Outcomes Res, Minneapolis, MN USA
[4] Minneapolis VA Healthcare Syst, VA QUERI Subst Use Disorders, Minneapolis, MN USA
[5] Georgia State Univ, Atlanta, GA 30303 USA
[6] VA Pittsburgh Healthcare Syst, VISN Mental Illness Res Educ & Clin Ctr MIRECC 4, Pittsburgh, PA USA
[7] Univ Calif Los Angeles, David Geffen Sch Med, Div Gen Internal Med, Los Angeles, CA 90095 USA
[8] VA Chicago Healthcare Syst, VA Ctr Management Complex Chron Condit CMC3, Chicago, IL USA
[9] VA Chicago Healthcare Syst, Qual Enhancement Res Initiat Spinal Cord Injury S, Chicago, IL USA