1. Department of Medical Oncology, Campus Bio-Medico University of Rome, Rome, Italy
2. Azienda Ospedaliero-Universitaria Pisana, Istituto Toscano Tumori, Pisa, Italy
3. Niguarda Cancer Center, Ospedale Niguarda Ca' Granda, Milano, Italy
4. Department of Surgical, Oncological and Oral Sciences, Section of Medical Oncology, University of Palermo, Palermo, Italy
5. Università Cattolica del Sacro Cuore, Rome, Italy
6. Department of Anatomical Pathology, Campus Bio-Medico University of Rome, Rome, Italy
7. Department of Medical Oncology, Azienda Ospedaliero-Universitaria, Udine, Italy
8. Dipartimento di Patologia Chirurgica, Medica, Molecolare e dell'Area Critica, Università di Pisa, Pisa, Italy
9. Department of Medical, Oral and Biotechnological Sciences, University “G. D'Annunzio”, Chieti, Italy