00444nas a2200145   4500000000100000008004100001260002500042100001600067700001200083700001300095700001700108700001300125700002100138245013900159       2013                            d  aMelbourne, Australia1 aFerreira P.1 aKent P.1 aPinto R.1 aKongstead A.1 aMaher C.1 aFerreira Manuela00aDo Levels of Leisure Time Physical Activity Predict Clinical Outcomes in People Seeking Care for Chronic and Persistent Low Back Pain?