RT Journal Article SR Electronic T1 Irene Davis 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 835 OP 836 DO 10.1136/bjsports-2016-096526 VO 51 IS 10 A1 Johann Windt YR 2017 UL http://bjsm.bmj.com/content/51/10/835.abstract AB