1Tibor Rubin VA Medical Center, 5901 E. 7th St, Long Beach, CA 90822, USA.
2Department of Psychiatry and Behavioral Sciences, George Washington School of Medicine & Health Sciences, Washington, DC 20052, USA.
3The War Survivors Institute, 5813 E. 2nd Street, #637, Long Beach, CA 90803, USA.
4Department of Health Services and Leadership, School of Health Professions, National University, San Diego, CA 92107, USA.
5The Veterans Health Administration, National Center for Healthcare Advancement and Partnerships, Washington, DC 20420, USA.
6BioHealth Pain Management, 15901 Hawthorne Blvd., Suite 240, Lawndale, CA 90260, USA.
7Anesthesia Associates Medical Group, 5276 Hollister Avenue, Suite 308, Santa Barbara, CA 93111, USA.
8Science 37, 800 Park Office, Suite 3606, Durham, NC 27709, USA.