1. Office of Rural Health Veterans Rural Health Resource Center Iowa City VA Health Care System Iowa City Iowa USA
2. Center for Comprehensive Access and Delivery Research and Evaluation (CADRE) Iowa City VA Health Care System Iowa City Iowa USA
3. Department of Anesthesia Carver College of Medicine University of Iowa Iowa City Iowa USA
4. White River Junction VA Medical Center Research Department White River Junction Vermont USA
5. National Center for PTSD White River Junction Vermont USA
6. Department of Psychiatry Geisel School of Medicine at Dartmouth Hanover New Hampshire USA
7. Department of Epidemiology University of Iowa College of Public Health Iowa City Iowa USA