1. Collaboration for Cancer Outcomes, Research and Evaluation Ingham Institute for Applied Medical Research South Western Clinical School University of New South Wales Sydney New South Wales Australia
2. GenesisCare Sydney New South Wales Australia
3. Christchurch Oncology Service Canterbury Regional Cancer and Haematology Centre Christchurch New Zealand
4. Department of Medicine Christchurch Hospital University of Otago Christchurch Christchurch New Zealand