1. Department of Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
2. National Center for PTSD, White River Junction, VT, USA
3. Department of Psychiatry, Geisel School of Medicine at Dartmouth, Lebanon, NH, USA
4. Ralph H. Johnson VAMC, Charleston, SC, USA
5. Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA