Nida Mushtaq*, Radiology Registrar1

Rajeev Mathew, Consultant ENT Surgeon2

Alice Tee, Radiology Registrar1

Prince Modayil, Consultant ENT Surgeon3

Hamid Daya, Consultant ENT Surgeon3

Joy Barber, Consultant in Paediatric Radiology1

1. Department of Radiology, St Georges’ University Hospital NHS Foundation Trust, London

2. Department of Otorhinolaryngology, Oxford University Hospitals NHS Foundation Trust

3. Department of Otorhinolaryngology, St Georges’ University Hospital NHS Foundation Trust, London