[1] Univ Liege, Dept Publ Hlth Epidemiol & Hlth Econ, Quartier Hop, Ave Hippocrate 13,CHUB23, B-4000 Liege, Belgium
[2] Geneva Univ Hosp, Fac Med, Div Bone Dis, Rue Gabrielle Perret Gentil 4, CH-1211 Geneva 14, Switzerland
[3] Univ Southampton, MRC Lifecourse Epidemiol Unit, Southampton, Hants, England
[4] Univ Oxford, NIHR Musculoskeletal Biomed Res Unit, Oxford, England
[5] King Saud Univ, Coll Sci, Biochem Dept, Prince Mutaib Chair Biomarkers Osteoporosis, Riyadh 11451, Saudi Arabia
[6] CHU Liege, Bone Cartilage & Muscle Metab Unit, Quai Godefroid Kurth 45, B-4000 Liege, Belgium
[7] CHU Liege, Dept Publ Hlth Sci, Quai Godefroid Kurth 45, B-4000 Liege, Belgium