[1] Harvard Med Sch, Dept Hlth Care Policy, 180 Longwood Ave, Boston, MA 02115 USA
[2] VA Boston Healthcare Syst, Natl Ctr PTSD, Boston, MA USA
[3] Boston Univ, Sch Med, Dept Psychiat, Boston, MA 02118 USA
[4] Uniformed Serv Univ Hlth Sci, Sch Med, Dept Psychiat, Ctr Study Traumat Stress, Bethesda, MD USA
[5] Univ Michigan, Inst Social Res, Ann Arbor, MI USA
[6] Univ Virginia, Sch Law, Charlottesville, VA 22903 USA
[7] Boston Childrens Hosp, Predict Med Grp, Boston, MA USA
[8] Harvard Med Sch, Boston, MA USA
[9] Univ South Carolina, Darla Moore Sch Business, Columbia, SC USA
[10] Univ Calif San Diego, Dept Psychiat & Family Med, San Diego, CA 92103 USA
[11] Univ Calif San Diego, Dept Publ Hlth, San Diego, CA 92103 USA
[12] VA San Diego Healthcare Syst, San Diego, CA USA