1. King's College Hospital, Denmark Hill, SE5 9RS London
2. University of Pisa, Ospedale di Cisanello, via Paradisa 2, 56126 Pisa
3. CHU de Dijon, 2 boulevard Maréchal de Lattre de Tassigny, 21000 DIJON
4. JCHU Lyon Sud, Pavillon Médical, 165 chemin du Grand Revoyet 69495 Pierre Bénite
5. Franziskus Krankenhaus Berlin, Budapester Strasse, 15-19, 10787 BERLIN
6. Hospital Clinico San Carlos De Madrid, Calle Profesor Martin Lagos, 28040 Madrid
7. University of Roma Tor Vergata, Viale Oxford 81, 00133 Roma
8. Donostia Hospital Universitario San Sebastian, Calle Prim N° 14 - 20006 San Sebastian
9. Hospital Universitario Fundacion Alcorcon, Calle Budapest, 1, 28922 Alcorcón, Madrid
10. Department of Endocrinology, University Hospital of Malmö, S-205 02 Malmö, Sweden
11. Universidad Complutense de Madrid
12. Familie Ziekenhuis. Department of Endocrinology. Chimay. Belgium