1. Department of Hepato‐Gastroenterology Cliniques universitaires Saint‐Luc Bruxelles Belgium
2. Department of Internal Medicine and Gastroenterology Asklepios Klinik St. Georg Asklepios Tumorzentrum Hamburg Hamburg Germany
3. Department of Hepatology and Gastroenterology Charité Campus Mitte Charité University Medicine Berlin Berlin Germany
4. Department of Visceral‐, Thoracic‐ and Vascular Surgery at the Philipps‐University Marburg Marburg Germany
5. Neuroendocrine Tumour Unit ENETS Centre of Excellence Royal Free Hospital and University College London London UK
6. Department of Surgery San Raffaele Hospital IRCCS Università Vita‐e‐Salute Milan Italy
7. Department of Oncology Hospital Universitario Doce de Octubre UCM Madrid Spain
8. Neuroendocrine Tumor Unit Division of Medicine Endocrinology & Metabolism Department Hadassah‐Hebrew University Medical Center Jerusalem Israel
9. Gastrointestinal Cell Biology Section Digestive Disease Branch National Institute of Health Bethesda Maryland USA
10. Zentrum für Innere Medizin Universitätsklinikum Marburg Marburg Germany
11. Department of Gastroenterology‐Pancreatology Beaujon Hospital and Université de Paris Clichy France
12. Department of Medical Oncology University of Manchester/The Christie NHS Foundation Trust Manchester UK
13. National Centre for Neuroendocrine Tumours St Vincent’s University Hospital and St James’s Hospital and Trinity College Dublin Dublin Ireland