Funding for this research was provided by:
Marie Curie Cancer Care (MCCC-FCO-11-C)
Wales Cancer Research Centre funded by Health and Care Research Wales (WCRC514031).)
Article History
Received: 19 March 2019
Accepted: 6 November 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.