1 Department of Otolaryngology, Head and Neck Surgery, Westmead Hospital, University of Sydney, Camperdown, NSW, 2006, Australia. eugene.hl.wong@gmail.com.
2 Department of Surgery, School of Medicine and Health Sciences, University of Sydney, Camperdown, Australia. eugene.hl.wong@gmail.com.
3 Department of Otolaryngology, Head and Neck Surgery, Westmead Hospital, University of Sydney, Camperdown, NSW, 2006, Australia.
4 Department of ENT Surgery, NHS Greater Glasgow and Clyde, Glasgow, UK.
5 Department of Head and Neck Surgical Oncology, Cytecare Cancer Hospitals, Bangalore, India.
6 School of Medicine, Western Sydney University, Sydney, Australia.
7 Department of Surgery, School of Medicine and Health Sciences, University of Sydney, Camperdown, Australia.
8 Chris O'Brien Lifehouse, Camperdown, NSW, 2006, Australia.
9 Department of Otolaryngology, Head and Neck Surgery, Macquarie University Hospital, Macquarie Park, Australia.