1 Neuroendocrine Tumor Unit, ENETS Center of Excellence, Department of Endocrinology and Metabolism, Hadassah Medical Organization and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel.
2 Carcinoid Heart Disease Clinic, Department of Cardiology, Royal Free Hospital & University College London, London, UK.
3 Department of Internal Medicine, Section of Endocrinology, ENETS Center of Excellence, Erasmus MC and Erasmus Cancer Institute, Rotterdam, The Netherlands.
4 Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool, UK.
5 Department of Nuclear Medicine, University Ulm, Ulm, Germany.
6 Department of General, Visceral and Transplantation Surgery, University Hospital Muenster, Muenster, Germany.
7 Department of Diagnostic and Interventional Radiology, Leipzig University Medical Center, Leipzig, Germany.
8 Department of Medical Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands.
9 Digestive Disease Unit, Department of Medical-Surgical Sciences and Translational Medicine, Sapienza University of Rome, ENETS Center of Excellence, Rome, Italy.
10 Department of Cardiothoracic Surgery and Anesthesiology, University Hospital, and Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.
11 Department of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota, USA.
12 Department of Cardiac Surgery, "Louis Pradel" Cardiologic Hospital, Lyon, France.
13 Department of Clinical Oncology, AC Camargo Cancer Center, São Paulo, Brazil.
14 Centre for Gastroenterology, Neuroendocrine Tumour Unit, ENETS Centre of Excellence, Royal Free Hospital, London, UK.