1. National Center for PTSD at VA Boston Health care System Boston Massachusetts USA
2. Department of Psychology Emmanuel College Massachusetts USA
3. Department of Psychiatry Boston University School of Medicine Massachusetts USA
4. Department of Economics University of North Carolina at Greensboro Greensboro North Carolina USA
5. Department of Psychology University of North Carolina at Greensboro Greensboro North Carolina USA
6. Deparment of Psychology Western New England University Springfield Massachusetts USA