[1] Univ Liege, CHU Liege, Dept Clin Chem, UnilabLg,CIRM, B-4000 Liege, Belgium
[2] Univ Libre Bruxelles, CHU Brugmann, Dept Radioisotopes, Brussels, Belgium
[3] Univ Liege, Dept Publ Hlth Epidemiol & Hlth Econ, B-4000 Liege, Belgium
[4] Univ Liege, CHU Liege, Dept Nephrol Dialysis Transplantat, B-4000 Liege, Belgium
[5] Catholic Univ Louvain, Clin Univ St Luc, Pole Pathol Rhumatismale, B-1200 Brussels, Belgium
[6] Hop Univ Geneve, Dept Bone Dis, Geneva, Switzerland
[7] Katholieke Univ Leuven, Dept Clin & Expt Med, Gerontol & Geriatr Sect, Leuven, Belgium
[8] Ghent Univ Hosp, Unit Osteoporosis & Metab Bone Dis, Ghent, Belgium
[9] Ghent Univ Hosp, Dept Endocrinol, Ghent, Belgium
[10] Ctr Acad Rech & Experimentat Sante SPRL CARES SPR, Liege, Belgium
[11] Univ Liege, CHU Liege, Burn Ctr, B-4000 Liege, Belgium
[12] Univ Liege, CHU Liege, Gen Intens Care Dept, B-4000 Liege, Belgium
[13] Univ Libre Bruxelles, Dept Gynaecol Obstet, Brussels, Belgium
[14] Univ Liege, CHU Liege, Div Diabet Nutr & Metab Disorders, B-4000 Liege, Belgium
[15] Univ Libre Bruxelles, CHU Brugmann, Dept Med, Brussels, Belgium