1. Cancer Research UK (2014) Cancer statistics report: cancer incidence and mortality in the UK, September 2014, http://publications.cancerresearchuk.org/downloads/Product/CS_REPORT_TOP10INCMORT.pdf (accessed 15 Jan 2016).
2. (2015) Information Services Division. Cancer incidence in Scotland, 2013. Secondary cancer incidence in Scotland, 2013, http://www.isdscotland.org/Health-Topics/Cancer/Publications/data-tables.asp?id=1387#1387 (accessed 15 Jan 2016).
3. Northern Ireland Cancer Registry (2015) Leukaemia: incidence and survival 1993–2013. Secondary leukaemia: incidence and survival 1993–2013, http://www.qub.ac.uk/research-centres/nicr/CancerInformation/official-statistics/BySite/Blood/ (accessed 15 Jan 2016).
4. Office for National Statistics (2015) Cancer statistics registrations, England. Secondary cancer statistics registrations, England, http://www.ons.gov.uk/ons/rel/vsob1/cancer-statistics-registrations--england--series-mb1-/no--44--2013/index.html (accessed 15 Jan 2016).
5. Welsh Cancer Intelligence and Surveillance Unit (2015) Cancer in Wales Secondary cancer in Wales, http://www.wcisu.wales.nhs.uk/cancer-statistics (accessed 15 Jan 2016).