1 Cancer Council NSW, Cancer Research Division, Sydney, 2011 NSW, Australia.
2 Cancer Council NSW, Cancer Research Division, Sydney, 2011 NSW, Australia; School of Public Health, Sydney Medical School, University of Sydney, Sydney, NSW, Australia.
3 Victorian Cytology Service, Carlton, VIC, Australia; Department of Obstetrics and Gynaecology, University of Melbourne, Melbourne, VIC, Australia.
4 School of Women's and Infant's Health, University of Western Australia, Perth, WA, Australia.
5 Cancer Council NSW, Cancer Research Division, Sydney, 2011 NSW, Australia; School of Public Health, Sydney Medical School, University of Sydney, Sydney, NSW, Australia. Electronic address: [email protected].