Footnotes

• Contributors HGC and EMF: made substantial contributions to the planning of the work. HGC, EMF and FK: took part in writing the report /manuscript and have approved the version to be published.

• Funding EMF is funded through a post-doctoral grant from Cancer Focus Northern Ireland. HGC holds a Cancer Research UK-funded Career Establishment Award.

• Competing interests None declared.

• Provenance and peer review Not commissioned; externally peer reviewed.

• Data sharing statement We are happy to provide further information on the information used in this piece.

• Patient consent for publication Not required.