[1] Rudjer Boskovic Inst, Div Mol Med, Lab Oxidat Stress, Bijenicka 54, Zagreb 10000, Croatia
[2] Univ Hosp Ctr Zagreb, Dept Pathol & Cytol, Lab Mol Pathol, Salata 10, Zagreb 10000, Croatia
[3] Univ Oxford, Oxford Musculoskeletal Biomed Res Unit, Natl Inst Hlth Res, Botnar Res Ctr,Nuffield Dept Orthopaed,Rheumatol, Oxford OX3 7LD, England