[1] VA Boston Healthcare Syst, Natl Ctr PTSD, Boston, MA USA
[2] Boston Univ, Sch Med, Boston, MA 02215 USA
[3] Harvard Univ, Sch Med, Dept Psychiat, Cambridge, MA 02138 USA
[4] Univ Maryland Baltimore Cty, Dept Psychol, Baltimore, MD 21228 USA
[5] VA Boston Healthcare Syst, Families & Addict Program, Boston, MA USA