1. ENDOC Center for Endocrine Tumors Hamburg Germany
2. The Medical School University of Sheffield Sheffield UK
3. Division of Endocrinology, Metabolism, and Clinical Nutrition Medical College of Wisconsin Milwaukee WI USA
4. Department of Endocrinology Key Laboratory of Endocrinology Ministry of Health Peking Union Medical College Hospital Beijing China
5. Clinical Development, Oncology Business Unit Novartis Pharma AG Basel Switzerland
6. Oncology Biometrics and Data Management Novartis Pharmaceuticals Corporation Florham Park NJ USA
7. General Internal Medicine Service Hospital das Clínicas University of São Paulo Medical School São Paulo Brazil
8. Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia Università di Napoli ‘Federico II’ Naples Italy
9. Neuroendocrine Clinical Center Massachusetts General Hospital Boston MA USA