[1] Hop Edouard Herriot, Dept Rheumatol & Bone Dis, Lyon, France
[2] Hop Cochin, Dept Rheumatol, F-75674 Paris, France
[3] Ist Auxol Italiano, Ctr Metab Bone Dis, Milan, Italy
[4] Polish Fdn Osteoporosis, Ctr Osteoporosis & Osteo Articulare Dis, Dept Med & Rheumatol, Bialystok, Poland
[5] UZ Gent, Dept Internal Med, Ghent, Belgium
[6] St Thomas Hosp, Dept Rheumatol, London, England
[7] Hosp Mar, Dept Med Interna, Barcelona, Spain
[8] Augustine Hosp, Endocrine Unit, Melbourne, Vic, Australia
[9] Max Grundig Klin, Buhl, Germany
[10] Univ Debrecen, H-4012 Debrecen, Hungary
[11] Hlth Sci Ctr, Dept Obstet & Gynecol, Debrecen, Hungary
[12] Hillerod Hosp, Dept Clin Physiol, Hillerod, Denmark
[13] Red Cross Hosp, Dept Endocrinol, Athens, Greece
[14] Univ Hosp Geneva, Dept Internal Med, Div Bone Dis, Geneva, Switzerland
[15] Univ Hosp Geneva, Sch Dent, Geneva, Switzerland
[16] Inst Rech Int Servier, Paris, France
[17] Univ Liege, Bone & Cartilage Metab Unit, Liege, Belgium
[18] Univ Liege, WHO, Collaborating Ctr Publ Hlth Aspects Osteoarticula, Dept Epidemiol & Publ Hlth, Liege, Belgium