1. Neuroendocrine Tumour Group; University Hospital Aintree; Liverpool UK
2. ENETS Centre of Excellence; Royal Free London NHS Foundation Trust; London UK
3. Clinic of Radiology and Nuclear Medicine; University of Basel; Basel Switzerland
4. Division of Endocrinology, Diabetology and Clinical Nutrition; University Hospital of Bern; Bern Switzerland
5. LCL Department of Cellular Pathology; Royal Liverpool University Hospital; Liverpool UK
6. Department of Pancreatic Surgery; Royal Liverpool University Hospital; Liverpool UK