| Cliniques universitaires de Bruxelles – Hôpital Erasme | Belgia | Brussel | Claudine Heinrichs, Bernard Corivlain |
| Cliniques universitaires Saint-Luc | Belgia | Brussel | Maria-Cristina Burlacu |
| UZ Brussels | Belgia | Brussel | |
| University Hospital Centre Sestre Milosrdnice University Department of Oncology & Nuclear Medicine Centre of Reference for thyroid disease1. | Chorwacja | Zagreb | Tomislav Jukić, Maji Franceschi, Marija Punda |
| Všeobecná fakultní nemocnice v Praze | Czechy | Prague | Michal Krsek, Jana Jezkova |
| University Hospital Motol | Czechy | Prague | Klara Rozenkova, Lukas Plachy |
| Aarhus University Hospital | Dania | Aarhus | Eva Ebbehøj |
| Copenhagen University Hospital, Rigshospitalet | Dania | Copenhagen | Anders Juul |
| Tartu University Hospital | Estonia | Tartu | Vallo Tillmann, Vallo Volke |
| CHU Angers | Francja | Angers | Patrice Rodien |
| Assistance Publique – Consortium Cochin, Robert Debré, Necker, St Antoine, La Pitié Salpétrière, Trousseau University Hospitals | Francja | Paris | Lionel Groussin, Juliane Léger |
| Hôpital Universitaire Necker – Enfants malades | Francja | Paris | Michel Polak |
| Katholisches Klinikum Bochum | Niemcy | Bochum | Corinna Grasemann, Annette Richter-Unruh |
| Aghia Sophia Children’s Hospital | Grecja | Athens | Christina Kanaka-Gantenbein, Antonis Voutetakis |
| Evangelismos General Hospital | Grecja | Athens | Stylianos Tsagarakis, Dimitra-Argyro Vassiliadi |
| Hospital Universitari Vall d’Hebron | Hiszpania | Barcelona | Ariadna Campos, Carles Zafon |
| Amsterdam UMC, location AMC | Holandia | Amsterdam | Paul van Trotsenburg, Peter Bisschop |
| University Medical Center Groningen | Holandia | Groningen | Thera Links |
| Leiden University Medical Center | Holandia | Leiden | Noortje Corssmit, Marieke Snel |
| Maastricht University Medical Center – Center for Thyroid Carcinoma | Holandia | Maastricht | Bas Havekes |
| Radboud University Nijmegen Medical Center – including Amalia’s children Hospital | Holandia | Nijmegen | Romana Netea-Maier, Marco Medici |
| Erasmus MC: University Medical Center Rotterdam | Holandia | Rotterdam | Robin Peeters, Edward Visser |
| University Medical Center Utrecht – Dept of Endocrine Oncology | Holandia | Utrecht | Gerlof Valk, Hanneke van Santen, Menno Vriens |
| Beaumont Hospital | Irlandia | Dublin | Mark Sherlock, Susan O'Connell |
| Azienda Ospedaliero Universitaria di Ferrara | Włochy | Ferrara | Maria Chiara Zatelli, Maria Rosaria Ambrosio |
| IRCCS Istituto Giannina Gaslini, Genova | Włochy | Genova | Mohamad Maghnie, Giuseppe D'Annunzio |
| AOU policlinico „G.Martino” Messina | Włochy | Messina | Salvatore Cannavò, Francesco Ferraù |
| Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milano | Włochy | Milan | Giovanna Mantovani, Claudia Giavoli |
| AOU di Modena | Włochy | Modena | Vincenzo Rochira, Sara De Vincentis |
| Azienda Unità Sanitaria Locale-IRCCS of Reggio Emilia | Włochy | Reggio Emilia | Chiara Grasselli |
| Azienda Ospedaliero-Universitaria Policlinico Umberto I | Włochy | Roma | Andrea Lenzi, Andrea Isidori |
| AOUI di Verona | Włochy | Verona | Franco Antoniazzi, Paolo Cavarzere |
| Pauls Stradins Clinical University Hospital1. | Łotwa | Riga | Lauma Jaunozola |
| Hospital of Lithuanian University of Health Sciences Kauno Klinikos | Litwa | Kaunas | Raimonda Klimaite, Egle Vaitkute |
| Charité Universitätsmedizin Berlin | Niemcy | Berlin | Joachim Spranger |
| University Hospital Essen – Center for Rare Endocrine Diseases | Niemcy | Essen | Dagmar Fuehrer, Cordula Kiewert, Lars Moeller |
| Universitätsklinikum Schleswig-Holstein | Niemcy | Lubeck | Olaf Hiort, Alexander Iwen |
| University Medical Center Mainz | Niemcy | Mainz | Dirk Prawitt, Joachim Pohlenz, Thomas Musholt |
| University Hospital Marburg | Niemcy | Marburg | |
| Ludwig-Maximilian-University Munich | Niemcy | Munchen | Christine Spitzweg |
| University Hospital Würzburg | Niemcy | Wuerzburg | Martin Fassnacht |
| Maria Sklodowska-Curie National Research Institute of Oncology (MSCNRIO) | Polska | Gliwice | Jolanta Krajewska, Barbara Jarzab |
| Centro Hospitalar Universitario de São João, EPE | Portugalia | Porto | Elisabete Rodrigues, Davide Carvalho |
| Spitalul Clinic Judetean de Urgenta Cluj (Cluj County Emergency Clinical Hospital) | Rumunia | Cluj-Napoca | Carmen Emanuela Georgescu, Cristina Alina Silaghi |
| Spitalul Clinic de Psihiatrie „Prof. dr. Alexandru Obregia” | Rumunia | Bucharest | Dana Craiu, Diana Barca |
| Institute of Oncology „Prof dr. Ion Chiricuta” CLUJ NAPOCA | Rumunia | Cluj-Napoca | Doina Piciu, Elena Olariu |
| University Hospital Martin, Dept of Paediatrics of Jessenius Medical Faculty Comenius University1. | Słowacja | Martin | Jarmila Vojtková |
| University Medical Centre Ljubljana | Słowenia | Ljubljana | Magdalena Avblej Stefanija, Katja Zaletel, Jasna Suput Omladic |
| Sahlgrenska University Hospital | Szwecja | Gothenburg | Gudmundur Johannsson, Jovanna Dahlgren |
| Azienda Ospedaliera Sant’Orsola Malpighi | Włochy | Bologna | Alessandra Cassio, Valentina Vicennati, Rita Ortolano |
| Ospedale San Raffaele | Włochy | Milan | Maria Vigone, Mari Gilberto, Riccardo Maggiore, Anna Maria Formenti |
| Istituto Auxologico Italiano – Istituto di Ricovero e Cura a Carattere Scientifico | Włochy | Milano | Luca Persani, Laura Fugazzola, Carla Colombo, Irene Campi |
| Azienda Ospedaliera Universitaria „Federico II”, Napoli | Włochy | Napels | Francesco Fonderico, Paola Macchia, Mariacarolina Salerno, Donatella Capalbo, Raffaella Di Mase |
| Azienda Ospedaliera di Padova (AOP) | Włochy | Padova | Laura Guazzarotti |
| Azienda Ospedaliero Universitaria Città della Salute e della Scienza di Torino | Włochy | Turin | Luisa Desanctis, Ruth Rossetto Giaccerino, Loredana Pagano |