Unidade Local de Saúde de São João, Porto, Portugal
Faculdade de Medicina da Universidade do Porto, Porto, Portugal
Sant’Andrea Hospital, Sapienza University of Rome, Italy, Rome, Italy
Hospital Universitario Ramón y Cajal, Madrid, Spain, Madrid, Spain
Unidade Local de Saúde de Braga, Braga, Portugal
Hôpital Edouard Herriot, Hospices Civils de Lyon, Lyon, France
Unidade Local de Saúde de Coimbra, Coimbra, Portugal
Unidade Local de Saúde do Alto Ave, Guimarães, Portugal
Unidade Local de Saúde de Santo António, Porto, Portugal
Portuguese Oncology Institute Francisco Gentil, Lisbon, Lisbon, Portugal
Unidade Local de Saúde Viseu Dão-Lafões, Viseu, Portugal
Westmead Hospital, Sydney, Australia
Instituto Português de Oncologia do Porto, Santa Maria Da Feira, Portugal
The Royal Free Hospital, University College London Institute for Liver and Digestive Health, London, United Kingdom
"Agios Panteleimon" General Hospital of Nikaia-Piraeus, Athens, Greece
CHU de Limoges, Limoges, France
Arcispedale Santa Maria Nuova - Reggio Emilia, Reggio Emilia, Italy
Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
Ostalb-Klinikum Aalen, Academic Teaching Hospital, University of Ulm, Aalen, Germany
Arnas Ospedale Civico Palermo, Palermo, Italy
Unidade Local de Saúde de Santa Maria, Lisboa, Portugal
University Hospital of Ghent, Ghent, Belgium
Mediterraneo Hospital, Mytilene, Greece
Universitätsklinikum Ulm, Ulm, Germany
Hospital Germans Trias i Pujol / Teknon Medical Center, Barcelona, Spain
University Clinics Salzburg, Paracelsus Medical University, Salzburg, Austria
National Centre for Neuroendocrine Tumours, ENETS Centre of Excellence, St. Vincent's University Hospital,, Dublin, Ireland