RT Journal Article SR Electronic T1 Andrew Murray JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 703 OP 704 DO 10.1136/bjsports-2016-096172 VO 50 IS 11 A1 Windt, Johann YR 2016 UL http://bjsm.bmj.com/content/50/11/703.abstract AB