[1] Departments of Otolaryngology, Cambridge University Hospitals NHS Foundation Trust, Cambridge
[2] Departments of Genetics, Manchester Royal Infirmary, Manchester
[3] Neurofibromatosis Centre, Guy’s and St. Thomas’ NHS Foundation Trust, London
[4] Departments of Neurosurgery, Cambridge University Hospitals NHS Foundation Trust, Cambridge
[5] Department of Plastic Surgery, East Grinstead Hospital, West Sussex
[6] Departments of Neurology, John Radcliffe Hospital, Oxford
[7] Departments of Neuroradiology, John Radcliffe Hospital, Oxford
[8] Departments of Psychology, Cambridge University Hospitals NHS Foundation Trust, Cambridge
[9] Department of Neurosurgery, Sheffield Gamma Knife Centre, Royal Hallamshire Hospital, Sheffield
[10] Departments of Genetics, Cambridge University Hospitals NHS Foundation Trust, Cambridge