TY - JOUR T1 - Correction JF - British Journal of Sports Medicine JO - Br J Sports Med SP - 131 LP - 131 DO - 10.1136/bjsports-2013-092320a VL - 50 IS - 2 A2 - , Y1 - 2016/01/01 UR - http://bjsm.bmj.com/content/50/2/131.abstract N2 - Darras K, Andrews G, Forster BB. Shouldering the burden: … ER -