[1] Wellington Hosp, Wellington Blood & Canc Ctr, Wellington, New Zealand
[2] Calvary Mater Hosp, Newcastle, NSW, Australia
[3] Sir Charles Gairdner Hosp, Perth, WA, Australia
[4] Peter MacCallum Canc Inst, East Melbourne, Australia
[5] Auckland Hosp, Auckland, New Zealand
[6] Christchurch Hosp, Christchurch, New Zealand
[7] Royal Brisbane Hosp, Dept Oncol, Brisbane, Qld, Australia
[8] Westmead Hosp, Sydney, NSW, Australia
[9] Ctr Epidemiol & Biostat, Newcastle, NSW, Australia