1. US Department of Veterans Affairs, National Center for Posttraumatic Stress Disorder, Clinical Neurosciences Division, VA Connecticut Healthcare System, West Haven2Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
2. Department of Psychiatry, New York University School of Medicine, New York4Department of Radiology, New York University School of Medicine, New York
3. US Department of Veterans Affairs, National Center for Posttraumatic Stress Disorder, Clinical Neurosciences Division, VA Connecticut Healthcare System, West Haven5Section of Comparative Medicine, Yale University School of Medicine, New Haven, Connecticut