Research and Psychology Services (Ton Loy, Adler, Merritt, Bondi, Delano-Wood) and Center of Excellence for Stress and Mental Health (Merritt, Delano-Wood), Veterans Affairs (VA) San Diego Healthcare System, San Diego; Department of Psychiatry, School of Medicine, University of California, San Diego, La Jolla (Merritt, Bondi, Delano-Wood); Home Base, a Red Sox Foundation and Massachusetts General Hospital Program, Boston, and Harvard Medical School, Boston (Sorg).