1. Victor Chang Cardiac Research Institute Sydney New South Wales Australia
2. Department of Pediatrics University of California San Francisco San Francisco California USA
3. Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynecology Mount Sinai Hospital Toronto Ontario Canada
4. SYNLAB MVZ Humangenetik Mannheim Mannheim Germany
5. Genetics Program, North York General Hospital Toronto Ontario Canada
6. Department of Paediatrics University of Toronto Toronto Ontario Canada
7. Department of Clinical and Molecular Genetics Vall d'Hebron Barcelona Hospital Campus Barcelona Spain
8. Department of Medical Genetics University of British Columbia Vancouver British Columbia Canada
9. Department of Anatomic Pathology University of California San Francisco California USA
10. Pathology and Laboratory Medicine, Mount Sinai Hospital Toronto Ontario Canada
11. The Hospital for Sick Children Toronto Ontario Canada
12. Fetal Medicine Program, Department of Obstetrics and Gynecology Mount Sinai Hospital Toronto Ontario Canada
13. Metabolic Unit and Pediatric Neurology Department Vall d'Hebron Barcelona Hospital Campus Barcelona Spain
14. Fetal Medicine Unit and Obstetrics Department Vall d'Hebron Barcelona Hospital Campus Barcelona Spain
15. Medicine Genetics Group, Vall d'Hebron Research Institute, Vall d'Hebron Barcelona Hospital Campus, Autonomous University of Barcelona Barcelona Spain
16. Department of Pediatrics, Division of Clinical and Metabolic Genetics, The Hospital for Sick Children University of Toronto Toronto Ontario Canada
17. Genome Diagnostics, Department of Paediatric Laboratory Medicine The Hospital for Sick Children Toronto Ontario Canada
18. Department of Biochemistry and Molecular Biology University of Georgia Athens Georgia USA
19. Department of Chemistry University of Georgia Athens Georgia USA
20. Faculty of Medicine University of New South Wales Sydney New South Wales Australia
21. Faculty of Science University of New South Wales Sydney New South Wales Australia