1 Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas.
2 Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas; Yale School of Medicine, New Haven, Connecticut; Michael E. DeBakey VA Medical Center, Houston, Texas; U.S. Department of Veterans Affairs, National Center for PTSD - Clinical Neurosciences Division, West Haven, Connecticut; Core for Advanced Magnetic Resonance Imaging, Baylor College of Medicine, Houston, Texas. Electronic address: chadi.abdallah@bcm.edu.