1. Southampton General Hospital, University Hospital Southampton NHS Trust, UK
2. Queen Alexandra Hospital, Portsmouth Hospitals University NHS Trust, Portsmouth, UK
3. Medical Oncology Unit, Ospedale San Paolo, Savona, Italy
4. Department of Internal Medicine & Medical Specialties (Di.M.I.), University of Genova, Genova, Italy
5. Medical Oncology Unit 1, IRCCS Ospedale Policlinico San Martino, Genova, Italy
6. Medical Oncology 1 Unit, Department of Oncology, Istituto Oncologico Veneto IOV - IRCCS, Padova, Italy
7. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
8. Department of Oncology, IRCCS, Humanitas Clinical & Research Center, Rozzano, Milano, Italy
9. Medical Oncology, St Salvatore Hospital, L'Aquila, Italy
10. Department of Medical Oncology, Centro di Riferimento, Oncologico di Aviano CRO-IRCCS, Aviano, Italy
11. Department of Medical Oncology, Fondazione Policlinico Campus Bio-Medico, Roma, Italy
12. Translational & Clinical Research Institute, Centre for Cancer, Newcastle University, Newcastle upon Tyne, UK
13. Candiolo Cancer Institute, FPO-IRCCS, Turin, Italy
14. Department of Health Sciences, Section of Biostatistics, University of Genova, Genova, Italy
15. Department of Medicine & Surgery, University of Parma, Parma, Italy
16. Oncology Unit, University Hospital of Parma, Parma, Italy
17. Pathology Unit, University Hospital of Parma, Parma, Italy