1 National Center for PTSD at VA Boston Healthcare System, Boston, MA, USA.
2 Boston University School of Medicine, Department of Psychiatry, Boston, MA, USA.
3 Department of Psychology, Old Dominion University, Mills Godwin Bldg (134A), Norfolk, VA, USA.
4 Boston University School of Medicine, Department of Medicine, Biomedical Genetics, Boston, MA, USA.
5 Boston University School of Public Health, Department of Biostatistics, Boston, MA, USA.
6 Translational Research Center for TBI and Stress Disorders (TRACTS) and Geriatric Research, Educational and Clinical Center (GRECC), VA Boston Healthcare System, Boston, MA, USA.
7 Department of Psychiatry, Harvard Medical School, Boston, MA, USA.
8 National Center for PTSD at VA Boston Healthcare System, Boston, MA, USA. Erika.Wolf@va.gov.
9 Boston University School of Medicine, Department of Psychiatry, Boston, MA, USA. Erika.Wolf@va.gov.