Funding for this research was provided by:
Ministero della Salute
Received: 18 March 2021
Accepted: 7 May 2021
First Online: 2 June 2021
: This was a non-interventional study on archived tissue samples and all clinical procedures were performed within standard clinical guidelines of all involved Institutions. All patients accessing the Istituto Nazionale Tumori of Naples, consent to use of clinical samples for academic research and all performed procedures were in accordance with the ethical standards of the institutional research committees of participating institutions, with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declare that they have no competing interests.