1. School of Clinical MedicineUniversity of Cambridge Cambridge UK
2. East Anglian Medical Genetics ServiceCambridge University Hospitals NHS Foundation Trust, Cambridge Biomedical Campus Cambridge UK
3. Wolfson Diabetes and Endocrine Clinic, Department of EndocrinologyCambridge University Hospitals NHS Foundation Trust, Cambridge Biomedical Campus Cambridge UK
4. Paediatric Musculoskeletal Imaging, Academic Unit of Child Health, University of Sheffield, Sheffield Children's NHS Foundation Trust Sheffield UK
5. Department of RheumatologyCambridge University Hospitals NHS Foundation Trust, Cambridge Biomedical Campus Cambridge UK