1. San Francisco Coordinating Center; CPMC Research Institute; San Francisco CA USA
2. Geneva University Hospital; Geneva Switzerland
3. The University of Sheffield; Sheffield UK
4. The Princess Margaret Hospital; Christchurch New Zealand
5. Hvidovre University Hospital; Hvidovre Denmark
6. Oregon Osteoporosis Center; Portland OR USA
7. Paris Descartes University; Paris France
8. Karolinska Institutet; Södersjukhuset Stockholm Sweden
9. Center for Clinical and Basic Research; Tallinn Estonia
10. Amgen Inc.; Thousand Oaks; CA USA
11. Laval University and CHU de Québec-Université Laval (CHUL); Quebec City Canada