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Kimberly G HarmonJonathan A DreznerMatthew GammonsKevin M GuskiewiczMark HalsteadStanley A HerringJeffrey S KutcherAndrea PanaMargot PutukianWilliam O Roberts
British Journal of Sports Medicine 2012; 47 15-26 Published Online First: 13 Dec 2012. doi: 10.1136/bjsports-2012-091941