URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://dx.doi.org/10.1136/bjsports-2012-090938DOI Link
http://bjsm.bmj.com/content/46/15/1078.full05/12/2014Item is within a limited-access website
http://bjsm.bmj.com/content/46/15/1078.full.pdf+html05/12/2014PDF ReaderItem is within a limited-access website