1 Medical Oncology Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.
2 Medical Oncology Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy; Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy.
3 Don Tonino Bello Department of Medical Oncology, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy.
4 Oncology Unit, Macerata Hospital, Macerata, Italy.
5 Medical Oncology Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy; Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy. Electronic address: francesco.massari@aosp.bo.it.