1. Center for Mental Health Outcomes Research, Central Arkansas Veterans Healthcare System, North Little Rock, AR
2. South Central Mental Illness Education and Clinical Center, Central Arkansas Veterans Healthcare System, North Little Rock, AR
3. Division of Health Services Research, Department of Psychiatry, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR
4. Southeastern Louisiana Veterans Health Care System, Tulane University, Department of Psychiatry and Behavioral Sciences, New Orleans, LA
5. Department of Psychological Sciences, University of Missouri-Saint Louis, One University Boulevard, 325 Stadler Hall, St. Louis, MO
6. Virtual Reality Medical Centers, 9565 Waples Street, Suite 200, San Diego, CA
7. Office of the State Surgeon, Virginia Army National Guard, BLDG 1310, Ft. Pickett, Blackstone, VA
8. Department of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, AR
9. Institute of HeartMath, 14700 West Park Ave., Boulder Creek, CA
10. Alliant International University, 10455 Pomerado Road, San Diego, CA
11. National Center for PTSD, US Department of Veterans Affairs, University of Hawaii School of Medicine, Department of Psychiatry, Honolulu, HI