1Baylor Genetics, Houston, TX 77021 USA
2Northern Ireland Regional Genetics Service, Belfast City Hospital, Belfast, UK
3Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030 USA
4Nottingham Genetics Service, Nottingham City Hospital, Nottingham, UK
5Department of Pediatrics, Baylor College of Medicine, San Antonio, TX 78207 USA
6North West Thames Regional Genetics Service, 759 Northwick Park Hospital, London, UK
7Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX 77030 USA
8Dell Children’s Medical Group, Austin, TX 78723 USA
9Division of Genetic and Genomic Medicine, Nationwide Children’s Hospital; and Department of Pediatrics, College of Medicine, Ohio State University, Columbus, OH 43205 USA
10Department of Pediatrics, College of Medicine & Health Sciences, United Arab University, Al Ain, UAE
11Department of Pediatrics, Tawam Hospital, Al-Ain, UAE
12Department of Pediatrics, Section of Genetics, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104 USA
13Department of Human Genetics and Metabolic Diseases, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
14Department of Pediatrics, Texas Children’s Hospital, Houston, TX 77030 USA
15Department of Pediatrics, University of Hawaii, Honolulu, HI 96826 USA
16Centre de Génétique Humaine, Université de Franche-Comté, Besançon, France
17Department of Neurology, Boston Children’s Hospital, Boston, MA 0211 USA
18Gene DX, Gaithersburg, MD 20877 USA
19West Midlands Regional Clinical Genetics Service and Birmingham Health Partners, Women’s and Children’s Hospitals NHS Foundation Trust, Birmingham, UK
20East Anglia Regional Genetics Service, Addenbrooke’s Hospital, Cambridge, UK
21All-Wales Medical Genetics Service, University Hospital of Wales, Cardiff, UK
22South East of Scotland Clinical Genetic Service, Western General Hospital, Edinburgh, UK
23North East Thames Regional Genetics Service, Great Ormond Street Hospital, London, UK
24South East Thames Regional Genetics Service, Guy’s Hospital, London, UK
25Oxford Regional Genetics Service, Oxford University Hospitals, Oxford, UK
26Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, UK
27The DDD Study, Wellcome Trust Sanger Institute, Hinxton, Cambridge, UK
28The Hebrew University of Jerusalem, Jerusalem, Israel
29Monique and Jacques Roboh Department of Genetic Research, Hadassah-Hebrew University Medical Center, 91120 Jerusalem, Israel
30Present address: Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202 USA
31Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX 77030 USA
32Present address: Mayo Clinic Florida, Department of Clinical Genomics, Jacksonville, FL 32224 USA