Funding for this research was provided by:
Text and Data Mining valid from 2019-11-06
Received: 5 June 2019
Accepted: 17 October 2019
First Online: 6 November 2019
Compliance with ethical standards
: M.Lia Palomba serves as a consultant for Merck and Pharmcyclics. The rest of the authors have no interest to disclose.
: Specimen collection was approved by the Memorial Sloan Kettering Cancer Center Institutional Review Board and the National and Kapodistrian University of Athens Bioethics committee.
: Patient material was obtained from patients who had previously signed informed consent, in accordance with the Declaration of Helsinki.