URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://dx.doi.org/10.1136/bjsports-2013-092266DOI Link
http://bjsm.bmj.com/content/47/12/775.full.pdf+html 10/17/2014 PDF ReaderItem is within a limited-access website
http://bjsm.bmj.com/content/47/12/775.long 10/17/2014 Item is within a limited-access website