1. Division of Medical Genetics, Department of Pediatrics, Molecular Diagnostic Laboratory, Centre Hospitalier Universitaire Sainte‐Justine Université de Montréal Montréal Québec Canada
2. Division of Biochemical Diseases, Department of Pediatrics BC Children's Hospital Vancouver British Columbia Canada
3. Division of Child Neurology, Department of Pediatrics Centre Hospitalier Universitaire Sainte‐Justine Montréal Québec Canada
4. Integrated Centre for Pediatric Clinical Genomics, Centre Hospitalier Universitaire Sainte‐Justine Montréal Québec Canada
5. MNG Laboratories (Medical Neurogenetics, LLC.), MNG, a Wholly Owned Subsidiary of Laboratory Corporation of America Holdings San Diego California USA