1. Veterans Rural Health Resource Center Iowa City VA Health Care System Iowa City Iowa USA
2. Center for Access & Delivery Research and Evaluation Iowa City VA Health Care System Iowa City Iowa USA
3. Department of Epidemiology University of Iowa College of Public Health Iowa City Iowa USA
4. Research Department White River Junction VA Medical Center 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