[1] VA Boston Healthcare Syst, Neuroimaging Res Vet NeRVe Ctr, Boston, MA USA
[2] VA Boston Healthcare Syst, Translat Res Ctr TBI & Stress Disorders TRACTS, Boston, MA USA
[3] Harvard Med Sch, Dept Psychiat, Boston, MA 02115 USA
[4] Massachusetts Gen Hosp, Dept Radiol, Athinoula A Martinos Ctr Biomed Imaging, Charlestown, MA USA
[5] VA Boston Healthcare Syst, WomenHealth Sci Div, Natl Ctr PTSD, Boston, MA USA
[6] Boston Univ, Sch Med, Dept Psychiat, Boston, MA USA
[7] Boston Univ, Sch Med, Dept Neurol, Boston, MA USA
[8] VA Boston Healthcare Syst, Geriatr Res Educ & Clin Ctr GRECC, Boston, MA USA
[9] VA Boston Healthcare Syst, 150 S Huntington Ave, Boston, MA 02130 USA