| Charité Universitätsmedizin Berlin | Alemanha | Berlin | Joachim Spranger |
| University Hospital Essen – Center for Rare Endocrine Diseases | Alemanha | Essen | Dagmar Fuehrer, Cordula Kiewert, Lars Moeller |
| Universitätsklinikum Schleswig-Holstein | Alemanha | Lubeck | Olaf Hiort, Alexander Iwen |
| University Medical Center Mainz | Alemanha | Mainz | Dirk Prawitt, Joachim Pohlenz, Thomas Musholt |
| University Hospital Marburg | Alemanha | Marburg | Frederik Verburg |
| Ludwig-Maximilian-University Munich | Alemanha | Munchen | Christine Spitzweg, Roland Gaertner |
| University Hospital Würzburg | Alemanha | Wuerzburg | Martin Fassnacht, Mathias Kroiss |
| Cliniques universitaires de Bruxelles – Hôpital Erasme | Bélgica | Brussel | Claudine Heinrichs, Bernard Corivlain |
| Cliniques universitaires Saint-Luc | Bélgica | Brussel | Véronique Beauloye, Maria-Cristina Burlacu |
| University Hospital Centre Sestre Milosrdnice University Department of Oncology & Nuclear Medicine Centre of Reference for thyroid disease1. | Croácia | Zagreb | Tomislav Jukić, Maji Franceschi, Marija Punda |
| University Hospital Motol | República Checa | Prague | Klara Rozenkova, Lukas Plachy |
| Copenhagen University Hospital, Rigshospitalet | Dinamarca | Copenhagen | Anders Juul |
| University Medical Centre Ljubljana | Eslovénia | Ljubljana | Magdalena Avblej Stefanija, Katja Zaletel, Jasna Suput Omladic |
| Hospital Universitari Vall d’ Hebron | Espanha | Barcelona | Diego Yeste, Ariadna Campos, Carles Zafon |
| Tartu University Hospital | Estónia | Tartu | Vallo Tillmann, Vallo Volke |
| CHU Angers | França | Angers | Patrice Rodien |
| Assistance Publique – Consortium Cochin, Robert Debré, Necker, St Antoine, La Pitié Salpétrière, Trousseau University Hospitals | França | Paris | Lionel Groussin, Juliane Léger |
| Hôpital Universitaire Necker – Enfants malades | França | Paris | Michel Polak |
| Amsterdam-UMC, location AMC | Holanda | Amsterdam | Eric Fliers, Paul van Trotsenburg, Peter Biscchop |
| University Medical Center Groningen | Holanda | Groningen | Thera Links |
| Leiden University Medical Center | Holanda | Leiden | Noortje Corssmit, Marieke Snel |
| Maastricht University Medical Center – Center for Thyroid Carcinoma | Holanda | Maastricht | Bas Havekes |
| Radboud University Nijmegen Medical Center – Incluindo o Amalia’s children Hospital | Holanda | Nijmegen | Romana Netea-Maier, Marco Medici |
| Erasmus MC: University Medical Center Rotterdam | Holanda | Rotterdam | Robin Peeters, Edward Visser |
| University Medical Center Utrecht – Dept of Endocrine Oncology | Holanda | Utrecht | Gerlof Valk, Hanneke van Santen, Menno Vriens |
| Azienda Ospedaliera Sant’Orsola Malpighi | Itália | Bologna | Alessandra Cassio, Valentina Vicennati, Rita Ortolano |
| Ospedale San Raffaele | Itália | Milan | Maria Vigone, Mari Gilberto, Riccardo Maggiore, Anna Maria Formenti |
| Istituto Auxologigo italiano – Istituto di Ricovero e cura a Carattere Scientifico | Itália | Milano | Luca Persani, Laura Fugazzola, Carla Colombo, Irene Campi |
| Azienda Ospedaliera Universitaria “Federico II”, Napoli | Itália | Napels | Francesco Fonderico, Paola Macchia |
| Azienda Ospedaliera di Padova (AOP) | Itália | Padova | Laura Guazzarotti |
| Azienda Ospedaliero Universitaria Città della Salute e della Scienza di Torino | Itália | Turin | Luisa Desanctis, Ruth Rossetto Giaccerino, Loredana Pagano |
| Pauls Stradins Clinical University Hospital1. | Letónia | Riga | Lauma Jaunozola |
| Hospital of Lithuanian University of Health Sciences Kauno Klinikos | Lituânia | Kaunas | Raimonda Klimaite, Egle Vaitkute |
| Maria Sklodowska-Curie National Research Institute of Oncology (MSCNRIO) | Polónia | Gliwice | Jolanta Krajewska, Barbara Jarzab |
| University Hospitals Birmingham – NHS Foundation Trust | Reino Unido | Birmingham | Timothy Barrett, Kristien Boelaert |
| NHS Greater Glasgow and Clyde Board | Reino Unido | Glasgow | Guftar Shaikh |
| Great Ormond Street Hospital/UCLH – NHS Foundation Trust | Reino Unido | London | Harshini Katugampola, Catherine Peters |
| Spitalul Clinic de Psihiatrie “Prof. dr. Alexandru Obregia” | Roménia | Bucharest | Dana Craiu, Diana Barca |
| Institute of Oncology “Prof dr. Ion Chiricuta” CLUJ NAPOCA | Roménia | Cluj-Napoca | Doina Piciu, Elena Olariu |
| University Hospital Martin, Dept of Paediatrics of Jessenius Medical Faculty Comenius University1. | Eslováquia | Martin | Jarmila Vojtková |