1 Division of Human Genetics, Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA.
2 VA CT Healthcare Center, West Haven, CT, USA.
3 University of Pennsylvania Perelman School of Medicine, Department of Psychiatry, Center for Studies of Addiction and Crescenz Veterans Afairs Medical Center, Philadelphia, PA, USA.
4 Departments of Psychiatry and Medicine (Biomedical Genetics), Boston University School of Medicine, Boston, MA, USA.
5 Division of Human Genetics, Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA. joel.gelernter@yale.edu.
6 VA CT Healthcare Center, West Haven, CT, USA. joel.gelernter@yale.edu.
7 Departments of Genetics and Neuroscience, Yale University School of Medicine, New Haven, USA. joel.gelernter@yale.edu.