1. Research Department of Epidemiology and Public Health University College London London UK
2. Psychiatric and Neurodevelopmental Genetics Unit Center for Genomic Medicine Massachusetts General Hospital Boston MA USA
3. Mathematics and Statistics Research Group University of the West of England Bristol UK
4. Department of Psychiatry Harvard Medical School and the Massachusetts General Hospital Boston MA USA
5. Stanley Center for Psychiatric Research The Broad Institute of Harvard and MIT Cambridge MA USA
6. Center on the Developing Child at Harvard University Cambridge MA USA