1. Department of Psychiatry, University of Texas Health Science Center at San Antonio, Research and Development Service, South Texas Veterans Health Care System, and Department of Psychology, University of Texas at San Antonio, San Antonio, Texas;
2. Department of Psychiatry, University of Texas Health Science Center at San Antonio and University of Texas at San Antonio, San Antonio, Texas;
3. Department of Psychology, The University of Reno, Reno, Nevada;
4. Department of Behavioral Medicine, Wilford Hall Ambulatory Surgical Center, Joint Base San Antonio-Lackland, Texas;
5. Department of Psychology, Harvard University, Cambridge, Massachusetts;
6. Department of Psychiatry, University of Texas Health Science Center at San Antonio, San Antonio, Texas;
7. Massachusetts Veterans Epidemiological Research and Information Center, VA Boston Healthcare System, Department of Psychological and Brain Sciences, Boston University, and Department of Psychiatry, Boston University School of Medicine, Boston, Massachusetts