RT Journal Article SR Electronic T1 Social distancing and COVID-19: an unprecedented active transport public health opportunity 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 411 OP 412 DO 10.1136/bjsports-2020-102856 VO 55 IS 8 A1 John H M Brooks A1 Richard Tingay A1 Justin Varney YR 2021 UL http://bjsm.bmj.com/content/55/8/411.abstract AB