1. Medical Research Service, Veterans Hospital, Tampa, 33612 FL, USA
2. Department of Psychology, Center for Preclinical and Clinical Research on PTSD, University of South Florida, Tampa, 33620 FL, USA
3. Department of Molecular Pharmacology and Physiology, Center for Preclinical and Clinical Research on PTSD, University of South Florida, Tampa, 33620 FL, USA
4. Independent Researcher, Magle StoraKyrkogata 9, 22350 Lund, Sweden