1. Department of Medical OncologyU.O.C. Clinica di Oncologia Medica, IRCCS Ospedale Policlinico San Martino Genoa Italy
2. Department of Internal Medicine and Medical Specialties (DiMI)School of Medicine, University of Genova Genoa Italy
3. Department of Medical OncologyBreast Unit, IRCCS Ospedale Policlinico San Martino Genoa Italy
4. Clinical Epidemiology Unit, IRCCS Ospedale Policlinico San Martino Genoa Italy
5. Department of Medical OncologyInstitut Jules Bordet and l'Université Libre de Bruxelles (U.L.B) Brussels Belgium
6. Department of Clinical Medicine and SurgeryUniversity of Naples “Federico II” Naples Italy
7. Medical Oncology, Istituto Nazionale Tumori‐IRCCS Fondazione Pascale Naples Italy
8. La Sapienza University Rome Italy
9. Department of Medical Oncology 1Istituto Nazionale Tumori Regina Elena Rome Italy
10. Department of Medical OncologyAzienda Unità Sanitaria Locale – IRCCS di Reggio Emilia Reggio Emilia Italy
11. Breast Unit, Azienda Ospedaliera Universitaria Città della Salute e delle Scienze Torino Italy
12. Medical Oncology, Martini Hospital ASL Città’ di Torino Italy
13. Department of Medical OncologyHospital Businco Cagliari Italy
14. Breast Unit, Medical Oncology, Azienda Ospedaliera S. Croce e Carle, Ospedale di Insegnamento Cuneo Italy
15. Unit of Medical Oncology and Cancer Prevention, IRCCS Centro di Riferimento Oncologico Aviano‐National Cancer Institute Aviano (Udine) Italy
16. Medical Oncology, Department of MedicineUniversity of Udine Udine Italy
17. Day Hospital Oncologico Multidisciplinare, Istituto di Candiolo, FPO‐IRCCS Candiolo Torino Italy