1. Barwon South Western Regional Integrated Cancer Services, 70 Swanston Street, Geelong, VIC 3220, Australia
2. Andrew Love Cancer Centre, 70 Swanston Street, Geelong, VIC 3220, Australia
3. Cardiothoracic Surgery, University Hospital Geelong, Geelong, VIC 3220, Australia
4. Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
5. Dept of Oncology, South West Healthcare, Warrnambool, VIC 3280, Australia and
6. School of Medicine, Deakin University, Geelong, VIC 3216, Australia