1. School of Medicine, University of Queensland; Queensland Australia
2. Department of Radiation Oncology; Calvary Mater Newcastle; Newcastle Australia
3. Radiation Oncology Queensland, St Andrew's Cancer Care Center, St Andrew's Hospital, Toowoomba; Queensland Australia
4. Oncology Research Australia; Australia
5. Department of Otolaryngology Head and Neck Surgery; Toowoomba Rural Clinical School, University of Queensland; Queensland Australia