1. Department of Oncology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
2. Department of Oncology, Oncology 1, Veneto Institute of Oncology IOV-IRCCS, Padua, Italy
3. Medical Oncology Unit, Department of Human Pathology "G. Barresi", University of Messina, Messina, Italy
4. Department of Internal Medicine and Medical Therapy, University of Pavia, Pavia, Italy
5. Department of Oncology, University of Turin, Division of Medical Oncology, Ordine Mauriziano Hospital, Turin, Italy
6. Medical Oncology Division and Breast Unit, Senatore Antonio Perrino Hospital, ASL Brindisi, Brindisi, Italy