Ding, M., van Sluijs, E., Martin Ginis, K.A., Bauman, A. and Salvo, D. 2021. Lancet Physical Activity Series 2020: Bridging the gaps in research, policy and practice: Symposium A1. The Health & Fitness Journal of Canada. 14, 3 (Sep. 2021). DOI:https://doi.org/10.14288/hfjc.v14i3.468.