1 Department of Psychiatry, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Epidemiology, Harvard T H Chan School of Public Health, Boston, MA, USA; Psychiatric & Neurodevelopmental Genetics Unit, Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA; Stanley Center for Psychiatric Research, Broad Institute, Boston, MA, USA. Electronic address: kwchoi@mgh.harvard.edu.
2 Department of Psychiatry, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Epidemiology, Harvard T H Chan School of Public Health, Boston, MA, USA; Psychiatric & Neurodevelopmental Genetics Unit, Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA; Stanley Center for Psychiatric Research, Broad Institute, Boston, MA, USA.