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Yep, it's here: http://bjsm.bmj.com/content/bjsports/early/2018/01/18/bjsports-2017-097608.full.pdf http://bjsm.bmj.com/content/bjsports/early/2018/01/18/bjspo

Yep, it's here: http://bjsm.bmj.com/content/bjsports/early/2018/01/18/bjsports-2017-097608.full.pdf http://bjsm.bmj.com/content/bjsports/early/2018/01/18/bjspor...