1. Department of Medical Oncology, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
2. Second Department of Oncology, Faculty of Medicine, Comenius University, Bratislava, Slovakia
3. Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
4. Unit of Biostatistics & Clinical Trials, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
5. Medical Oncology, Principe di Piemonte Hospital, Senigallia, Italy
6. Radiotherapy Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
7. Department of Oncology, Policlinico San Matteo IRCCS, Pavia, Italy