1. Departement de Génétique, INSERM U781, Université Paris Descartes‐Sorbonne Paris Cité, Institut Imagine, Hôpital Necker‐Enfants Malades (AP‐HP), Paris, France
2. Department of Molecular Medicine, University of Pavia, Pavia, Italy
3. Division of Genetics, Department of Pediatrics, Cerrahpasa Medical Faculty, Istanbul University, Istanbul, Turkey
4. Pediatrics and Genetics, Makassed Hospital, Jerusalem, Al‐Quds Medical School, Jerusalem
5. Pediatric Genetics, Department of Pediatrics, Acibadem University School of Medicine, Istanbul, Turkey
6. Institute for Human Genetics, University of Hufelandstr, Essen, Germany
7. Department of Paediatrics, Faculty of Medicine and Health Sciences, United Arab Emirates University, Al‐Ain, United Arab Emirates
8. Department of Medical Genetics, Cerrahpasa Medical Faculty, Istanbul University, Istanbul, Turkey
9. Genetic Medicine, Manchester Academic Health Science Centre, University of Manchester; Central Manchester University Hospitals NHS Foundation Trust, St Mary's Hospital, Manchester, United Kingdom
10. Department of Medical Genetics, Hôpital Erasme‐ULB, Brussels, Belgium
11. National Centre for Medical Genetics, Our Lady's Children's Hospital, Crumlin, Dublin, Ireland
12. Department of Clinical Genetics, Academic Medical Centre, Amsterdam, The Netherlands
13. Provincial Medical Genetics Program, Eastern Health, St. John's, Newfoundland, Canada
14. Center for Medical Genetics, Antwerp University Hospital and University of Antwerp, Antwerp, Belgium
15. Clinical Genetics Unit, Birmingham Women's Hospital, Birmingham, United Kingdom
16. Department of Genetic Medicine, University of Sydney, New South Wales, Australia
17. Department of Clinical Genetics, Leicester Royal Infirmary, Leicester, United Kingdom
18. Department of Human Genetics, Aachen University, Aachen, Germany