Funding for this research was provided by:
Università degli Studi di Torino (VALG_RIC_ LOC_14_01 (G Valabrega);)
Fondazione del Piemonte per l’Oncologia (5 X 1000 fondi Ministero della Salute 2012)
Text and Data Mining valid from 2018-05-30
Received: 21 February 2018
Accepted: 16 May 2018
First Online: 30 May 2018
Ethics approval and consent to participate
: Due to the retrospective nature of the study, informed consent was waived by the Medical Ethics Committee of Candiolo Cancer Institute, FPO/IRCCS Candiolo.
: Written informed consents for the publication of related Tables and figures had been obtained from the individuals.
: The authors declare that they have no competing interests.
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