[1] Royal Brisbane & Womens Hosp, Canc Care Serv, Butterfield St, Herston, Qld 4029, Australia
[2] Univ Queensland, Fac Med, Brisbane, Qld, Australia
[3] Gold Coast Univ Hosp, ICON Canc Ctr, Southport, Qld, Australia
[4] Griffith Univ, Sch Med, Gold Coast, Australia
[5] Bond Univ, Fac Hlth Sci & Med, Gold Coast, Australia
[6] Westmead Hosp, Crown Princess Mary Canc Ctr, Dept Radiat Oncol, Sydney, NSW, Australia
[7] Univ Sydney, Sydney, NSW, Australia