1 Department of Genetics, Harvard Medical School, Boston, Massachusetts, 02115, USA.
2 Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, 02142, USA.
3 MD-PhD Program, Harvard Medical School, Boston, Massachusetts, 02115, USA.
4 Department of Neurology, F.M. Kirby Neurobiology Center, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, 02115, USA.
5 Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, Massachusetts, 02115, USA.
6 Analytical and Translational Genetics Unit, Massachusetts General Hospital, Boston, Massachusetts, 02114, USA.
7 Department of Genetics, Harvard Medical School, Boston, Massachusetts, 02115, USA. mccarroll@genetics.med.harvard.edu.
8 Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, 02142, USA. mccarroll@genetics.med.harvard.edu.