1. Cochrane ENT, Nuffield Department of Surgical Sciences; University of Oxford; Oxford UK
2. Ménière’s Society; Wooton UK
3. ENT Department; University Hospitals of Derby and Burton NHS Foundation Trust; Derby UK
4. National Hospital for Neurology and Neurosurgery; London UK
5. Department of General Practice, Amsterdam UMC; Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute; Amsterdam Netherlands
6. ENT Department; Oxford University Hospitals NHS Foundation Trust; Oxford UK
7. University of Sheffield; Sheffield UK
8. UK Cochrane Centre; Oxford UK