1. Medical Oncology Unit, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
2. Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
3. Medical Oncology Unit 1, Istituto Oncologico Veneto, Padua, Italy
4. Medical Oncology Unit, ASST Bergamo Ovest, Treviglio, Bergamo, Italy
5. Medical Oncology Unit, AOU San Martino IRCCS IST, Genova, Italy
6. Medical Oncology Unit, Ospedale di Circolo e Fondazione Macchi, Varese, Italy
7. Medical Oncology Unit, Ospedale del Valdarno, Santa Maria La Gruccia, Azienda USL Toscana Sud-Est, Montevarchi, Toscana, Italy
8. Medical Oncology Unit, Ospedale S. Maria Goretti, Latina, Lazio, Italy
9. Internal Medicine and Medical Oncology, ASST Pavia, Pavia, Lombardia, Italy