Reflecting on the global burden of musculoskeletal conditions: lessons learnt from the global burden of disease 2010 study and the next steps forward. - Hoy DG; Smith E; Cross M; Sanchez-Riera L; Blyth FM; Buchbinder R; Woolf AD; Driscoll T; Brooks P; March LM (Annals of the rheumatic diseases, 2015)