1. Sydney Head and Neck Cancer Institute; Royal Prince Alfred Hospital; Camperdown New South Wales Australia
2. Blenheim Head and Neck Cancer Centre; Oxford University Hospitals; Oxford United Kingdom
3. Melanoma Unit; Waitemata Health and Auckland Regional Head and Neck Service; University of Auckland; Auckland New Zealand
4. Department of Surgery; Martini Hospital; Groningen The Netherlands
5. Department of Otolaryngology - Head and Neck Surgery; St. Joseph's Health Care; London Ontario Canada
6. Nuclear Medicine and Diagnostic Ultrasound; Royal Prince Alfred Hospital Medical Centre; Newtown New South Wales Australia
7. Sydney Medical School; University of Sydney; New South Wales Australia
8. Wollongong Hospital; Wollongong New South Wales Australia
9. Liverpool Hospital; Liverpool New South Wales Australia