1Division of Psychological Medicine and Clinical Neurosciences, Medical Research Council Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, UK
2Institute for Molecular Bioscience, University of Queensland, Brisbane, Australia
3Centre Cantonal Autisme, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland
4Service de Génétique Médicale, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
5Departments of Pediatrics and Medicine, Columbia University, New York, NY USA
6Simons Foundation, New York, NY USA
7Department of Psychiatry, University of Washington, Seattle, WA USA
8Department of Pediatrics, Baylor College of Medicine, Houston, TX USA
9Neurodevelopmental Disorders Phenotyping Program, Divisions of Developmental Medicine and Genetics, Program in Genomics, Children’s Hospital Boston, Harvard Medical School, Boston, MA USA
10Division of Psychiatry, Children’s Hospital Boston, Boston, MA USA
11Cambridge Institute for Medical Research, University of Cambridge, Cambridge, UK
12Behavioural and Brain Sciences Unit, Institute of Child Health, University College London, London, UK
© The Author(s) 2019
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.