1 Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Ringgold Standard Institution, Milano, Italy. Electronic address: giuseppe.procopio@istitutotumori.mi.it.
2 Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Ringgold Standard Institution, Milano, Italy.
3 Department of Urology and Gynecology, NCI, Naples, Italy.
4 Department of Clinical Therapeutics, National & Kapodistrian University of Athens, Athens, Greece.