| Medical University of Vienna,Center for Rare Endocrinologic Diseases / Dpt. of Internal Medicine III,1. | Австрия | Vienna | Greisa Vila |
| Klinikum Wels-Grieskirchen,Center for Pediatric Endocrinology / Dpt. of Pediatrics1. | Австрия | Wels | Walter Bonfig |
| UZ Antwerpen | Белгия | Edegem | Christophe De Block, Dirk Ysebaert |
| Všeobecná fakultní nemocnice v Praze | Чешка република | Prague | Michal Krsek, Jana Jezkova |
| Odense Universitetshospital | Дания | Odense | Henrik Christesen, Marianne Skovsager Andersen |
| HUS Helsinki University Hospital, Hospital District of Helsinki and Uusimaa (EndoERN_FIN) | Финландия | Helsinki | Camilla Schalin-Jäntti, Päivi Miettinen |
| Reference centre for rare diseases of calcium and phosphate-HEGP | Франция | Paris | Pascal Houillier, Rosa Vargas |
| Katholisches Klinikum Bochum | Германия | Bochum | Corinna Grasemann, Annette Richter-Unruh |
| Aghia Sophia Children’s Hospital | Гърция | Athens | Christina Kanaka-Gantenbein, Antonis Voutetakis |
| General Hospital of Athens „LAIKO“ | Гърция | Athens | Eva Kassi, Gregory Kaltsas |
| Beaumont Hospital | Ирландия | Dublin | Mark Sherlock, Susan O'Connell |
| AOU policlinico „G.Martino“ Messina | Италия | Messina | Salvatore Cannavò, Francesco Ferraù |
| Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milano | Италия | Milan | Giovanna Mantovani, Claudia Giavoli |
| AOU di Modena | Италия | Modena | Vincenzo Rochira, Sara De Vincentis |
| Azienda Ospedaliero-Universitaria Policlinico Umberto I | Италия | Roma | Andrea Lenzi, Andrea Isidori |
| Childrens Clinical University Hospital1. | Латвия | Rīga | Iveta Dzivite-Krisane |
| Pauls Stradins Clinical University Hospital1. | Латвия | Riga | Lauma Jaunozola |
| Helse Bergen HF, Haukeland University Hospital1. | Норвегия | Bergen | Eyestein Husebye, Marianne Astor |
| Oslo University Hospital HF1. | Норвегия | Oslo | Jens Bollerslev |
| University Hospital Martin, Dept of Paediatrics of Jessenius Medical Faculty Comenius University1. | Словакия | Martin | Jarmila Vojtková |
| Sahlgrenska University Hospital | Швеция | Gothenburg | Gudmundur Johannsson, Jovanna Dahlgren |
| Cliniques universitaires de Bruxelles – Hôpital Erasme | Белгия | Brussel | Emese Boros, Elina Kyrilli |
| UZ Brussels | Белгия | Brussel | |
| Ghent University Hospital | Белгия | Ghent | Hans-Georg Zmierczak |
| Charité Universitätsmedizin Berlin | Германия | Berlin | Joachim Spranger |
| University Hospital Essen – Center for Rare Endocrine Diseases | Германия | Essen | Cordula Kiewert, Harald Lahner |
| Universitätsklinikum Schleswig-Holstein | Германия | Lubeck | Olaf Hiort, Alexander Iwen, Susanne Thiele |
| Ludwig-Maximilian-University Munich | Германия | Munchen | Ralf Schmidmaier, Susanne Bechtold-Dalla Pozza |
| University Hospital Würzburg | Германия | Wuerzburg | Stefanie Hahner, Carmina Fuss |
| Aarhus University Hospital | Дания | Aarhus | Lars Rejnmark |
| Tartu University Hospitaу | Естония | Tartu | Vallo Tillmann, Vallo Volke |
| Hospital Universitari Vall d’Hebron | Испания | Barcelona | Maria Clemente, Anna Casteras |
| Hospital Universitario Cruces | Испания | Bilbao | Sonia Gaztambide, Luis Castano, Itxaso Rica |
| University Hospital Florence | Италия | Florence | Maria Luisa Brandi, Laura Masi, Gemma Marcucci |
| Ospedale San Raffaele | Италия | Milan | Weber Giovanna, Andrea Giustina |
| Azienda Ospedaliera Universitaria „Federico II“, Napoli | Италия | Napels | Carolina di Somma, Mariacarolina Salerno, Donatella Capalbo, Raffaella Di Mase |
| Azienda Ospedaliera di Padova (AOP) | Италия | Padova | Laura Guazzarotti, Valentina Camozzi |
| Azienda Ospedaliero Universitaria Città della Salute e della Scienza di Torino | Италия | Turin | Luisa Desanctis, Daniele Tessaris, Massimo Procopio |
| Hospital of Lithuanian University of Health Sciences Kauno Klinikos | Литва | Kaunas | Aurelija Krasauskiene, Edita Jasinskiene |
| University Medical Centre Ljubljana | Словения | Ljubljana | Darja Smigoc, Primoz Kotnik, Mojca Jensterle Sever |
| Semmelweis University | Унгария | Budapest | Judit Tőke |
| Hôpital Bicêtre | Франция | Paris | Agnes Linglart |
| Leiden University Medical Center | Холандия | Leiden | Natasha Appelman-Dijkstra, Liesbeth Winter |
| Erasmus MC: University Medical Center Rotterdam | Холандия | Rotterdam | Carola Zilikens |
| Университетска болница Motol | Чешка република | Prague | Ondrej Soucek, Zdenek Sumnik |
| Karolinska University Hospital | Швеция | Stockholm | Ola Nilsson, Lars Sävendahl |