| Medical University of Vienna,Center for Disorders of Sex Development / Dpt. of Pediatrics1. | Австрия | Vienna | Stefan Riedl, Diana-Alexandra Ertl |
| Klinikum Wels-Grieskirchen,Center for Pediatric Endocrinology / Dpt. of Pediatrics1. | Австрия | Wels | Walter Bonfig |
| Department of Molecular Genetics, Function and Therapy, The Cyprus Institute of Neurology and Genetics1. | Кипър | Nicosia | Leonidas Phylactou, Vassos Neocleous, Nicos Skordis |
| 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 |
| Hospices Civils de Lyon | Франция | Bron | Pierre Mouriquand, Gérald Raverot |
| Katholisches Klinikum Bochum | Германия | Bochum | Corinna Grasemann, Annette Richter-Unruh |
| Universitätsklinikum Ulm (Ulm University Medical Center) | Германия | Ulm | Martin Wabitsch, Julia von Schnurbein |
| Beaumont Hospital | Ирландия | Dublin | Mark Sherlock, Susan O'Connell |
| IRCCS Istituto Giannina Gaslini, Genova | Италия | Genova | Mohamad Maghnie, Giuseppe D'Annunzio |
| Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milano | Италия | Milan | Giovanna Mantovani, Claudia Giavoli |
| AOU di Modena | Италия | Modena | Vincenzo Rochira, Sara De Vincentis |
| AOU Università degli Studi della Campania „Luigi Vanvitelli“, Napoli | Италия | Naples | Katherine Esposito, Emanuele Miraglia Del Giudice |
| AOUI di Verona | Италия | Verona | Franco Antoniazzi, Paolo Cavarzere |
| Childrens Clinical University Hospital1. | Латвия | Rīga | Iveta Dzivite-Krisane, Inara Kirillova |
| Saint John Paul II Upper Silesian Child Health Centre, Public Clinical Hospital no.6 of the Medical University of Silesia in Katowice | Полша | Katowice | Aneta Gawlik, Aleksandra Antosz |
| Karol Jonscher’s Clinical Hospital of Poznan University of Medical Sciences | Полша | Poznan | Marek Niedziela, Monika Obara-Moszynska |
| Spitalul Clinic de Urgenta pentru Copii, Cluj-Napoca | Румъния | Cluj-Napoca | Simona Bucerzan, Camelia Alkhzouz |
| National Institute of Children’s Diseases, Dept. of Paediatrics of Medical Faculty Comenius University1. | Словакия | Bratislava | Ludmila Kostalova, Eva Vitariusova |
| 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 | Anne Delbaere, Cécile Brachet |
| Cliniques universitaires Saint-Luc | Белгия | Brussel | |
| UZ Brussels | Белгия | Brussel | Inge Gies |
| Ghent University Hospital | Белгия | Ghent | Martine Cools, Guy T'Sjoen |
| UMHAT „Sveta Marina“ (Varna) | България | Varna | Violeta Iotova, Vilhelm Madenov, Teodora Karamfilova |
| Charité Universitätsmedizin Berlin | Германия | Berlin | Joachim Spranger, Heiko Krude |
| Universitätsklinikum Schleswig-Holstein | Германия | Lubeck | Olaf Hiort, Paul-Martin Holterus, Judith Gebauer |
| Ludwig-Maximilian-University Munich | Германия | Munchen | Nicole Reisch, Matthias Auer |
| Universitätsklinikum Münster | Германия | Munster | Julia Rohayem, |
| Aarhus University Hospital | Дания | Aarhus | Claus H. Gravholt |
| Copenhagen University Hospital, Rigshospitalet | Дания | Copenhagen | Anders Juul |
| Tartu University Hospitaу | Естония | Tartu | Vallo Tillmann |
| Hospital Universitari Vall d’Hebron | Испания | Barcelona | Maria Clemente |
| Azienda Ospedaliera Sant’Orsola Malpighi | Италия | Bologna | Alessandra Gambineri, Federico Baronio, Lilia Baldazzi |
| University Hospital Florence | Италия | Florence | Csilla Krausz, Giulia Rastrelli |
| Ospedale San Raffaele | Италия | Milan | Gianni Russo, Andrea Giustina, Manuela Fortunato |
| Istituto Auxologico Italiano – Istituto di Ricovero e Cura a Carattere Scientifico | Италия | Milano | Luca Persani, Marco Bonomi, Biagio Cangiano, Elena Galazzi |
| Azienda Ospedaliera Universitaria „Federico II“, Napoli | Италия | Napels | Rosario Pivonello, Mariacarolina Salerno, Donatella Capalbo, Raffaella Di Mase |
| Azienda Ospedaliera di Padova (AOP) | Италия | Padova | Carla Scaroni, Laura Guazzarotti, Maurizio Iacobone, Caterina Mian |
| Azienda Ospedaliero Universitaria Città della Salute e della Scienza di Torino | Италия | Turin | Luisa Desanctis, Giovanna Motta, Roberta Giordano, Patrizia Matarazzo |
| Hospital of Lithuanian University of Health Sciences Kauno Klinikos | Литва | Kaunas | Jonas Ceponis, Romualdas Tomas Preiska |
| University Medical Centre Ljubljana | Словения | Ljubljana | Magdalena Avblej Stefanija |
| CHU Angers | Франция | Angers | Patrice Rodien |
| Assistance Publique – Consortium Cochin, Robert Debré, Necker, St Antoine, La Pitié Salpétrière, Trousseau University Hospitals | Франция | Paris | Sophie Christin-Maitre, Laetitia Martinerie |
| Assistance Publique – Consortium Pitie Salpêtrière Hospital, Necker Enfants Malades Hospital, Institut Mutualiste Montsouris – Редки репродуктивни ендокринологични и гинекологични заболявания (PGR) | Франция | Paris | Philippe Touraine, Michel Polak |
| Hôpital Bicêtre | Франция | Paris | Philippe Chanson |
| Amsterdam UMC, location VUMC | Холандия | Amsterdam | Martin den Heijer, Baudwijntje Kreukels |
| University Medical Center Groningen | Холандия | Groningen | Thera Links |
| Leiden University Medical Center | Холандия | Leiden | |
| Radboud University Nijmegen Medical Center – including Amalia’s children Hospital | Холандия | Nijmegen | Hedi Claahsen |
| Erasmus MC: University Medical Center Rotterdam | Холандия | Rotterdam | Leendert Looijenga |
| Университетска болница Motol | Чешка република | Prague | Klara Rozenkova, Jana Malikova |
| Karolinska University Hospital | Швеция | Stockholm | Anna Nordenström, Henrik Falhammer, Angelica Hirschberg |