1. Unidade de Genética Molecular, Centro de Genética Médica Doutor Jacinto de Magalhães (CGM), Centro Hospitalar Universitário do Porto (CHUPorto); Unit for Multidisciplinary Research In Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), and ITR ‐ Laboratory for Integrative and Translational Research in Population Health University of Porto Porto Portugal
2. Biocruces Bizkaia Health Research Institute Barakaldo Spain
3. Department of Human Genetics, Amsterdam UMC Vrije Universiteit Amsterdam Amsterdam The Netherlands
4. Steve and Cindy Institute for Genomic Medicine Nationwide Children's Hospital Columbus Ohio USA
5. Department of Pediatrics The Ohio State University College of Medicine Columbus Ohio USA
6. Unidade de Genética Médica Centro de Genética Médica Doutor Jacinto de Magalhães (CGM), Centro Hospitalar Universitário do Porto (CHUPorto) Porto Portugal
7. Department of Human Genetics Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center Nijmegen The Netherlands
8. Department of Clinical Genetics Oulu University Hospital, Medical Research Center Oulu and PEDEGO Research Unit, University of Oulu Oulu Finland
9. Paediatric Unit ParcTaulí Hospital Universitari, Institut d'Investigació i Innovació Parc Taulí, I3PTUniversitat Autònoma de Barcelona Sabadell Spain
10. Division of Genetic & Genomic Medicine Nationwide Children's Hospital Columbus Ohio USA
11. Nationwide Children's Hospital Columbus Ohio USA
12. Division Laboratories, Pharmacy and Biomedical Genetics Wilhelmina Children's Hospital Utrecht The Netherlands
13. Department of Clinical and Molecular Genetics Vall d'Hebron University Hospital and Medicine Genetics Group, Vall d'Hebron Research Institute Barcelona Spain
14. Division of Genetics and Genomics and Howard Hughes Medical Institute Boston Children's Hospital Boston Massachusetts USA
15. Makassed Hospital Jerusalem Israel
16. Paediatric Ward Hospital of Zala County Zalaegerszeg Hungary
17. Genetic Counselling Hospital of Zala County Zalaegerszeg Hungary
18. Division of Clinical Genetics, Department of Laboratory Medicine, Faculty of Medicine University of Debrecen Debrecen Hungary