1. Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA
2. Yale School of Medicine, New Haven, CT, USA
3. Michael E. DeBakey VA Medical Center, Houston, TX, USA
4. US Department of Veterans Affairs, National Center for PTSD – Clinical Neurosciences Division, West Haven, CT, USA
5. Baylor College of Medicine, Core for Advanced Magnetic Resonance Imaging (CAMRI), Houston, TX, USA