1. Provincial Medical Genetics Program; B.C. Women's Hospital & Health Centre; Vancouver Canada
2. Department of Pathology and Laboratory Medicine; University of British Columbia; Vancouver Canada
3. BC Children's Hospital Research Institute; University of British Columbia; Vancouver Canada
4. Treatable Intellectual Disability Endeavour in British Columbia; Vancouver Canada
5. Department of Medical Genetics; B.C. Women's Hospital & Health Centre; Vancouver Canada
6. Center for Molecular Medicine and Therapeutics; University of British Columbia; Vancouver Canada
7. Department of Pediatrics; University of British Columbia; Vancouver Canada
8. Department of Pediatrics; Academic Medical Centre; Amsterdam The Netherlands