Funding for this research was provided by:
Associazione Italiana per la Ricerca sul Cancro (4592)
Regione Campania (POR Campania FSE 2007/2013)
Ministero dell’Istruzione, dell’Università e della Ricerca (PRIN 2009T5NKTB_002)
Received: 28 December 2018
Accepted: 6 February 2019
First Online: 20 February 2019
Ethics approval and consent to participate
: The study design and procedures involving tissue samples collection and handling were performed according to the Declaration of Helsinki, in agreement with the current Italian law, and to the Institutional Ethical Committee guidelines.
: Not applicable.
: The authors declare that they have no competing interests
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.