Funding for this research was provided by:
Cancer Research UK
Text and Data Mining valid from 2018-08-09
Received: 6 March 2018
Accepted: 31 July 2018
First Online: 9 August 2018
Ethics approval and consent to participate
: The research project was approved by the NRES Committee East Midlands – Nottingham 1 (REC reference: 13/EM/042). This included approval for the collection and analysis of anonymised, retrospective data from patient records without individual consent.
: Not applicable.
: The authors declare that they have no competing interests.
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