David A Ross1, Melissa R Arbuckle2, Michael J Travis3. 1. Department of Psychiatry, Yale School of Medicine, 300 George Street, Suite 901, New Haven, CT 06511, United States. Electronic address: david.a.ross@yale.edu. 2. Department of Psychiatry, Columbia University College of Physicians and Surgeons, United States. 3. Department of Psychiatry, University of Pittsburgh Medical Center, United States.