1 Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
2 Department of Human Genetics, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, The Netherlands.
3 Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Institute of Human Genetics, University Hospital Heidelberg, Heidelberg, Germany.
4 Bioinformatics Core, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
5 Department of Neurology, Elisabeth-TweeSteden Hospital, Tilburg, The Netherlands.
6 Institute for Clinical Genetics, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany.
7 Department of Neuropaediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
8 Division of Medical Genetics, Department of Experimental Medicine, San Camillo-Forlanini Hospital, Sapienza University, Rome, Italy.
9 Laboratory of Medical Genetics, Translational Cytogenomics Research Unit, Bambino Gesù Children Hospital, IRCCS, Rome, Italy.
10 Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
11 Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, The Netherlands.
12 Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, The Netherlands; Discovery Unit, Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, The Netherlands.
13 North East Thames Regional Genetic Service, Great Ormond Street Hospital for Children, NHS Foundation Trust, London, United Kingdom.
14 All Wales Medical Genomics Service/Pennaeth Labordy Genomeg Cymru Gyfan, University Hospital of Wales, Heath Park, Cardiff, United Kingdom.
15 Victorian Clinical Genetics Service, Murdoch Children's Research Institute, Victoria, Australia; Department of Paediatrics, University of Melbourne, Melbourne, Australia.
16 Program in Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA.