[1] VA Ann Arbor Healthcare Syst, Ctr Clin Management Res, Hlth Serv Res & Dev, Ann Arbor, MI 48105 USA
[2] NYU, Silver Sch Social Work, 1 Washington Sq North, New York, NY 10003 USA
[3] Regenstrief Inst Hlth Care, Ctr Hlth Serv Res, 1101 W 10th St, Indianapolis, IN 46202 USA
[4] Suzanne Dworak Peck Sch Social Work, Ctr Innovat & Res Vet & Mil Families, 669 West 34th St,Suite 201D, Los Angeles, CA 90089 USA
[5] Walter Reed Army Inst Res, 503 Robert Grant Ave, Silver Spring, MD 20910 USA