1. Endocrinology, Diabetes and Metabolism Department of Coimbra Hospital and University Centre, Coimbra, Portugal
2. Endocrinology Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
3. Division of Medical Oncology, Department of Oncology, Misericordia General Hospital, Grosseto, Italy
4. Unit of Gastrointestinal Medical Oncology and Neuroendocrine Tumors, European Institute of oncology, IEO, Milan, Italy