1. Maastricht University Medical Center; Maastricht The Netherlands
2. Lilly Research Center Europe; Madrid Spain
3. University of British Columbia; Vancouver Canada
4. CCBR Brasil Centro de Analises e Pesquisas Clínicas; Rio de Janeiro Brazil
5. Centro Paulista de Investigaçao Clínica; Sao Paulo Brazil
6. “Sapienza” Rome University; Rome Italy
7. CHU Brugmann; ULB; Brussels Belgium
8. Regional Hospital of Orléans; Orléans France
9. Osteoporosis Center; University of Pittsburgh; Pittsburgh PA USA
10. Centro de Osteopatías Comlit; Buenos Aires Argentina
11. Institute of Rheumatology and Faculty of Medicine 1; Charles University; Prague Czech Republic
12. Semmelweis University Medical School; Budapest Hungary
13. University Hospital Parc Taulí Sabadell (UAB); Barcelona Spain
14. Institut Präventive Medizin & Klinische Forschung; Magdeburg Germany
15. Division of Endocrinology and Diabetes; Medical University of Graz; Graz Austria