RT Journal Article SR Electronic T1 Wearable, yes, but ableā€¦?: it is time for evidence-based marketing claims! 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 1240 OP 1240 DO 10.1136/bjsports-2016-097295 VO 51 IS 16 A1 Billy Sperlich A1 Hans-Christer Holmberg YR 2017 UL http://bjsm.bmj.com/content/51/16/1240.abstract AB