Clin Dysmorphol 2017 Oct;26(4):228-230
aYorkshire Regional Genetics Service, Chapel Allerton Hospital, Leeds Teaching Hospitals NHS Trust, Leeds bClinical Genetics Service, City Hospital Campus cDepartment of Cytogenetics, Nottingham University Hospitals NHS Trust, Nottingham dDepartment of Paediatric Psychology eHighly Specialised Severe, Complex and Atypical OI Service fSheffield Clinical Genetics Service, Sheffield Children's NHS Foundation Trust gAcademic Unit of Child Health, University of Sheffield, Sheffield, UK.