1. Division of gastrointestinal medical oncology and neuroendocrine tumors, European Institute of Oncology (IEO) IRCCS, Milan, Italy
2. Molecular Medicine Program, University of Pavia, Pavia, Italy
3. Division of Medical Oncology Mayo Clinic, Rochester, Minnesota, USA
4. Department of Hematology and Oncology, Mayo Clinic, Phoenix, Arizona, USA
5. Division of Medical Oncology, National Cancer Institute, Milan, Italy
6. Neuroendocrine Tumor Unit, ENETS Center of Excellence, Department of Endocrinology and Metabolism, Hadassah Medical Center and Faculty of Medicine, The Hebrew University, Jerusalem, Israel
7. Medical Oncology Department, Hopital Edourad Herriot, Hospices civils de Lyon, Lyon, France
8. Department of Statistics and Quantitative Methods, University of Milan-Bicocca, Milan, Italy
9. Clinical Oncology Unit, Careggi University Hospital, Florence, Italy
10. Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
11. Endocrinology Unit, Department of Experimental and Clinical Biomedical Sciences ’Mario Serio’, University of Florence, Florence, Italy
12. Division of Gastroenterology, and Center for Autoimmune Liver Diseases, European Reference Network on Hepatological Diseases (ERN RARE-LIVER), San Gerardo Hospital, University of Milano-Bicocca School of Medicine, Monza, Italy
13. Division of Oncology. Department of Hematology and Oncology, University Hospital of Modena, Modena, Italy
14. Oncologia medica, IRCCS Istituto Romagnolo per lo Studio dei Tumori ’Dino Amadori’, IRST S.r.l., Meldola, Italy
15. Oncologia Sarcomi e Tumori rari, I.R.C.C.S. Ist. Naz. Tumori di Napoli ’G. Pascale’, Napoli, Italy
16. Oncology Unit and Centro Documentazione Osteonecrosi, Azienda Ospedaliera SS Antonio e Biagio e Cesare Arrigo, Alessandria, Italy
17. Department of Interdisciplinary Medicine, University of Bari ’Aldo Moro’, Bari, Italy
18. National Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar
19. Department of Surgery, Al-Moalem Medical City, Khartoum, Sudan
20. UO Oncologia Medica ASST Papa Giovanni XXIII, Bergamo, Italy
21. Oncologia medica, Humanitas Gavazzeni Bergamo, Bergamo, Italy
22. Medical Oncology Department, Hospital Universitario Doce de Octubre, Imas12, UCM, Madrid, Spain
23. Vall Hebron University Hospital and Vall Hebron Institute of Oncology (VHIO), Barcelona, Spain
24. Department of Internal Medicine, Sector Endocrinology, Rotterdam, the Netherlands
25. Hematology-Oncology Unit, Fourth Department of Internal Medicine, Attikon Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
26. Data Management-Clinical Trial Office. Scientific Direction. European Institute of Oncology (IEO) IRCCS, Milan, Italy