| Medical University of Vienna,Center for Rare Endocrinologic Diseases / Dpt. of Internal Medicine III,1. | Austria | Vienna | Greisa Vila |
| Klinikum Wels-Grieskirchen,Center for Pediatric Endocrinology / Dpt. of Pediatrics1. | Austria | Wels | Walter Bonfig |
| Hôpital Universitaire de Bruxelles (HUDERF-Erasme) | Belgium | Brussel | Emese Boros, Aglaia Kyrilli |
| UZ Brussels | Belgium | Brussel | Jean de Schepper |
| UZ Antwerpen | Belgium | Edegem | Christophe De Block, Dirk Ysebaert |
| Ghent University Hospital | Belgium | Ghent | Hans-Georg Zmierczak |
| University Hospital Motol | Czech Republic | Prague | Ondrej Soucek, Zdenek Sumnik |
| Všeobecná fakultní nemocnice v Praze | Czech Republic | Prague | Michal Krsek, Jana Jezkova |
| Aarhus University Hospital | Denmark | Aarhus | Lars Rejnmark |
| Odense Universitetshospital | Denmark | Odense | Henrik Christesen, Marianne Skovsager Andersen |
| Tartu University Hospital | Estonia | Tartu | Vallo Tillmann, Vallo Volke |
| HUS Helsinki University Hospital, Hospital District of Helsinki and Uusimaa (EndoERN_FIN) | Finland | Helsinki | Camilla Schalin-Jäntti, Eeva Ryhänen |
| Hôpital Bicêtre | France | Paris | Agnes Linglart |
| Reference centre for rare diseases of calcium and phosphate-HEGP | France | Paris | Pascal Houillier, Rosa Vargas |
| Charité Universitätsmedizin Berlin | Germany | Berlin | Dirk Schnabel, Lukas Maurer |
| Katholisches Klinikum Bochum | Germany | Bochum | Corinna Grasemann, Tobias Schulte, Johannes Dietrich |
| University Hospital Essen – Center for Rare Endocrine Diseases | Germany | Essen | Cordula Kiewert, Harald Lahner |
| Universitätsklinikum Schleswig-Holstein | Germany | Lubeck | Olaf Hiort, Alexander Iwen, Susanne Thiele |
| Ludwig-Maximilian-University Munich | Germany | Munchen | Ralf Schmidmaier, Susanne Bechtold-Dalla Pozza |
| University Hospital Würzburg | Germany | Wuerzburg | Stefanie Hahner, Carmina Fuss |
| Aghia Sophia Children’s Hospital | Greece | Athens | Christina Kanaka-Gantenbein, Sophia Sakka, Ioannis-Anargyros Vasilakis |
| General Hospital of Athens “LAIKO” | Greece | Athens | Eva Kassi, Maria Yavropoulou |
| Semmelweis University | Hungary | Budapest | Judit Tőke |
| Beaumont Hospital | Ireland | Dublin | Rachel Crowley, Ciara McDonnell |
| Azienda Ospedaliera Sant’Orsola Malpighi | Italy | Bologna | Federico Baronio, Guido Zavatta, Valeria Di Natale, Valentina Assirelli |
| University Hospital Florence | Italy | Florence | Maria Luisa Brandi, Laura Masi, Gemma Marcucci |
| AOU policlinico “G.Martino” Messina | Italy | Messina | Salvatore Cannavò, Francesco Ferraù, Rosaria Maddalena Ruggeri, Malgorzata Gabriela Wasniewska, Tommaso Aversa |
| Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milano | Italy | Milan | Giovanna Mantovani, Giulia Del Sindaco, Cristina Eller-Vainicher |
| Ospedale San Raffaele | Italy | Milan | Weber Giovanna, Andrea Giustina |
| AOU di Modena | Italy | Modena | Vincenzo Rochira, Sara De Vincentis |
| Azienda Ospedaliera Universitaria “Federico II”, Napoli | Italy | Naples | Carolina di Somma, Mariacarolina Salerno, Donatella Capalbo, Raffaella Di Mase |
| Azienda Ospedaliera di Padova (AOP) | Italy | Padova | Laura Guazzarotti, Valentina Camozzi |
| Azienda Ospedaliero-Universitaria Policlinico Umberto I | Italy | Roma | Andrea Isidori |
| Azienda Ospedaliero Universitaria Città della Salute e della Scienza di Torino | Italy | Turin | Luisa Desanctis, Daniele Tessaris, Massimo Procopio |
| Childrens Clinical University Hospital1. | Latvia | Rīga | Iveta Dzivite-Krisane |
| Pauls Stradins Clinical University Hospital1. | Latvia | Riga | Lauma Jaunozola |
| Hospital of Lithuanian University of Health Sciences Kauno Klinikos | Lithuania | Kaunas | Aurelija Krasauskiene, Edita Jasinskiene |
| Leiden University Medical Center | Netherlands | Leiden | Natasha Appelman-Dijkstra, Liesbeth Winter |
| Erasmus MC: University Medical Center Rotterdam | Netherlands | Rotterdam | Carola Zilikens |
| Helse Bergen HF, Haukeland University Hospital1. | Norway | Bergen | Eyestein Husebye, Marianne Astor |
| Oslo University Hospital HF1. | Norway | Oslo | Jens Bollerslev |
| University Hospital Martin, Dept of Paediatrics of Jessenius Medical Faculty Comenius University1. | Slovakia | Martin | Jarmila Vojtková |
| University Medical Centre Ljubljana | Slovenia | Ljubljana | Darja Smigoc, Primoz Kotnik, Mojca Jensterle Sever, Primoz Kotnik, Jasna Šuput Omladič |
| Hospital Universitari Vall d’Hebron | Spain | Barcelona | Maria Clemente, Anna Casteras |
| Hospital Universitario Cruces | Spain | Bilbao | Sonia Gaztambide, Luis Castano, Itxaso Rica |
| Sahlgrenska University Hospital | Sweden | Gothenburg | Gudmundur Johannsson, Jovanna Dahlgren |
| Karolinska University Hospital | Sweden | Stockholm | Ola Nilsson, Lars Sävendahl |
