Institution: | 1. Hunter Genetics, Newcastle, Australia;2. Institut für Humangenetik, Universit?tsklinikum Essen, Universit?t Duisburg‐Essen, Germany;3. Westmead Hospital, Westmead, Australia;4. Genetic Medicine, Manchester Academic Health Sciences Centre, St. Mary's Hospital, Manchester, United Kingdom;5. Clinical Genetics Services, South West Sydney Local Health District, Liverpool, Australia;6. Hunter Genetics, Genetics of Learning Disability (GOLD) Service, Newcastle, Australia;7. Grow Up Well Priority Research Centre, The University of Newcastle, Newcastle, Australia;8. Correspondence to:;9. Tracy Dudding‐Byth, Hunter Genetics, Cnr Turton and Tinonee Rds, Waratah, NSW 2298, Australia.;10. E‐mail: |