Text and Data Mining valid from 2019-04-03
Received: 18 February 2019
Accepted: 28 March 2019
First Online: 3 April 2019
Ethics approval and consent to participate
: Our protocol was approved by the Institutional Review Board of Antoine Lacassagne Cancer Centre (MR001) which approved the ethical aspect of the protocol. The board waived the requirement for informed consents because this study was retrospective.
: Not applicable.
: The authors declare that they have no competing interests.
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