1. Mental Health, Veterans Affairs Medical Center, White River Junction, Vermont, USA;
2. Psychiatry, Geisel School of Medicine at Dartmouth College, Hanover, New Hampshire, USA;
3. Psychiatry, The Dartmouth Institute for Health Policy and Clinical Practice, Lebanon, New Hampshire, USA;
4. Nursing, Norwich University School of Nursing, Northfield, Vermont, USA;
5. Mental Health, National Center for PTSD, White River Junction, Vermont, USA;
6. Patient Safety, National Center for Patient Safety, Ann Arbor, Michigan, USA