1 Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut; Department of Neuroscience, Child Study Center, Yale University School of Medicine, New Haven, Connecticut; Psychiatry and Behavioral Health Services, Yale-New Haven Hospital, New Haven, Connecticut; Clinical Neuroscience Division, National Center for Posttraumatic Stress Disorder, Veterans Affairs Connecticut Healthcare System, West Haven, Connecticut. Electronic address: john.krystal@yale.edu.
2 Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut; Clinical Neuroscience Division, National Center for Posttraumatic Stress Disorder, Veterans Affairs Connecticut Healthcare System, West Haven, Connecticut.
3 Department of Neuroscience, Child Study Center, Yale University School of Medicine, New Haven, Connecticut; Department of Comparative Medicine, Yale University School of Medicine, New Haven, Connecticut.
4 Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut; Department of Neuroscience, Child Study Center, Yale University School of Medicine, New Haven, Connecticut; Clinical Neuroscience Division, National Center for Posttraumatic Stress Disorder, Veterans Affairs Connecticut Healthcare System, West Haven, Connecticut.