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Article History

Received: 23 December 2016

Accepted: 22 January 2018

First Online: 3 February 2018

Ethics approval and consent to participate

: All patients whose tissue and clinical data were used for this study have signed, already at admission to the Jean Perrin Cancer Centre, that they agree with the use of their tissues and clinical data for research purposes. The study presented in this article was approved by Comité d’Ethique des Centres d’Investigation Clinique de l’inter-région Rhône-Alpes-Auvergne. Approval reference: 00005921/CE-CIC-GREN-17-14.

: Not applicable.

: The authors declare having no competing interests.

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