1. Department of Clinical and Experimental Medicine, Unit of Endocrinology, Pisa University Hospital, Pisa, Italy.
2. Department of Internal Medicine IV, Chair of Endocrinology/Diabetology, LMU University Hospital, LMU Munich, Munchen, Germany.
3. Department of Internal Medicine I, Chair of Endocrinology/Diabetology, University Hospital Würzburg, University of Würzburg, Munchen, Germany.
4. Department of Endocrinology and Diabetes, Royal North Shore Hospital, Sydney, Australia.
5. Faculty of Medicine and Health, University of Sydney, Sydney, Australia.
6. Department of Endocrine Neoplasia and Hormonal Disorders, The University of Texas MD Anderson Cancer, Houston, Texas, USA.
7. Interdisciplinary Trial Center with Early Clinical Trial Unit, University Hospital Würzburg, Wurzburg, Germany.