RT Journal Article SR Electronic T1 Steps towards digital tools for personalised physical activity promotion 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 424 OP 425 DO 10.1136/bjsports-2021-104169 VO 56 IS 8 A1 David E Conroy A1 Gary G Bennett A1 Constantino M Lagoa A1 Kathleen Y Wolin YR 2022 UL http://bjsm.bmj.com/content/56/8/424.abstract AB