1. National Cancer Registry in Ireland , Cork, Ireland
2. National Cancer Control Programme , Dublin 1, Ireland
3. School of Public Health, University College Cork , Cork, Ireland
4. School of Population Health, RCSI University of Medicine and Health Sciences , Dublin 2, Ireland
5. Department of Pathology, Cork University Hospital/School of Medicine, University College Cork , Cork, Ireland
6. Department of General Practice, RCSI University of Medicine and Health Sciences , Dublin 2, Ireland