1. Yorkshire Regional Genetics Service, Chapel Allerton Hospital, Leeds Teaching Hospitals NHS Trust, Leeds, UK
2. Department of Orthopaedics, Sheffield Children’s Hospital, Sheffield, UK
3. Department of Histopathology, Sheffield Teaching Hospitals, Sheffield, UK
4. Leeds Genetics Laboratory, St James’ Hospital, Leeds Teaching Hospitals NHS Trust, Leeds, UK
5. Women’s and Newborn Unit, Bradford Royal Infirmary, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK