1 Department of Psychiatry, Baylor College of Medicine, Houston, TX, USA. amanda.tamman@bcm.edu.
2 Division of Human Genetics, Department of Psychiatry, Yale School of Medicine, New Haven, CT, USA.
3 Department of Psychiatry, Yale School of Medicine, New Haven, CT, USA.
4 Department of Psychiatry, Baylor College of Medicine, Houston, TX, USA.
5 U.S. Department of Veterans Affairs National Center for Posttraumatic Stress Disorder, Clinical Neurosciences Division, VA Connecticut Healthcare System, West Haven, CT, USA.
6 Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, CT, USA.