- Correspondence to Dr Katherine Harrop-Griffiths, UCLH, The Nuffield Hearing and Speech Centre, Royal National Throat, Nose and Ear Hospital, London, WC1X 8DA, UK;
- Received March 20, 2015
- Revised July 2, 2015
- Accepted July 3, 2015
- First published September 7, 2015.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.