Maringe, Camille http://orcid.org/0000-0002-8739-9565
Belot, Aurélien
Rubio, Francisco Javier
Rachet, Bernard
Funding for this research was provided by:
Cancer Research UK (C7923/A18525)
Article History
Received: 5 November 2018
Accepted: 6 September 2019
First Online: 20 November 2019
Ethics approval and consent to participate
: Consent would not be feasible due to the large number of patients involved, of which many would be deceased. We are secondary users of this confidential population-based data and as such we hold statutory approval from the Confidentiality Advisory Group (PIAG 1–05(c)/2007) which grants us permission to process the data for the purpose of this study.
: Not applicable.
: The authors declare that they have no competing interests.