1 Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori-IRST-Dino Amadori, 47014 Meldola, Italy. Electronic address: ugo.degiorgi@irst.emr.it.
2 Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori-IRST-Dino Amadori, 47014 Meldola, Italy.
3 Nuclear Medicine Unit, IRCCS Istituto Romagnolo per lo Studio dei Tumori-IRST-Dino Amadori, 47014 Meldola, Italy.