Tahwinder Upile1,2,3,4
, Waseem Jerjes4,5,6
, Fabian Sipaul3
, Sandeep Singh3
, Colin Hopper4,5,6
, Anthony Wright3
and Ann Sandison7 
1
The Ear Institute, University College London, UK
2
Department of Head & Neck Surgery, Charing Cross Hospital, UK
3
Department of Head & Neck Surgery, The Professorial Unit, The Royal National Throat, Nose and Ear Hospital, UK
4
Oral & Maxillofacial Surgery/Head & Neck Unit, University College London Hospital, UK
5
Department of Surgery, Royal Free & University College Medical School, UK
6
Unit of Oral & Maxillofacial Surgery, Division of Maxillofacial, Diagnostic, Medical and Surgical Sciences, UCL Eastman Dental Institute, UK
7
Department of Pathology, Charring Cross Hospital, UK