1. Anaesthesia Research Group; Fisher and Paykel Healthcare Ltd; Auckland New Zealand
2. Robert White Centre for Airway Voice and Swallowing; Poole Hospital NHS Foundation Trust; Poole UK
3. Department of Anaesthesia; Royal National Throat, Nose and Ear; Hospital in UCLH; London UK
4. Science and Technology Solutions Ltd; Warlingham UK
5. University of Greenwich; London UK