1. Department of Experimental, Diagnostic & Specialty Medicine (DIMES), University of Bologna, Bologna 40138, Italy
2. Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna 40138, Italy
3. Medical Oncology Unit, University Hospital Careggi, Firenze 50134, Italy
4. Oncology Unit - AORN Cardarelli, Naples 80131, Italy
5. Department of Oncology, Mater Salutis Hospital, Legnago 37045, Italy
6. Department of Oncology, University Hospital Santa Maria Della Misericordia, Udine 33100, Italy
7. Oncology & Palliative Care Units, Civil Hospital Carpi, USL, Carpi 41012, Italy
8. Academic Oncology Unit, IRCCS Ospedale Policlinico San Martino, Genoa 16132, Italy
9. Department of Internal Medicine & Medical Specialties (DiMI), Università degli Studi di Genova, Genoa 16132, Italy
10. Division of Medical Oncology, Azienda Ospedaliero-Universitaria Policlinico, Modena 41125, Italy
11. Department of Oncology, Azienda Ospedaliero Universitaria di Ferrara-Arcispedale Sant'Anna, Ferrara 44124, Italy
12. Medical Oncology Department, ASST Cremona, Cremona 26100, Italy
13. Medical Oncology Unit, Hospital of Cuneo, Cuneo 12100, Italy
14. Department of Surgery, Oncology & Gastroenterology, University of Padova, Padova 35122, Italy
15. Medical Oncology 2, Istituto Oncologico Veneto IRCCS, Padova 35122, Italy
16. Department of Biotechnological & Applied Clinical Sciences, St Salvatore Hospital, University of L'Aquila, L'Aquila 67100, Italy
17. Department of Oncology, Medical Oncology & Breast Unit, Antonio Perrino Hospital, Brindisi 72100, Italy
18. Department of Medicine & Surgery, University of Parma & Medical Oncology Unit, Azienda Ospedaliero-Universitaria di Parma, Parma 43126, Italy