00427nas a2200145   4500000000100000008004100001100001400042700001700056700001500073700001400088700001300102700001300115245011000128250004300238       2013                            d1 aHodges P.1 aLatimer Jane1 aMcAuley J.1 aMacedo L.1 aRoger W.1 aMaher C.00aNature and determinants of the course of chronic low back pain over a 12-month period: a cluster analysis  a27 November 2013 [Epub ahead of print]