Stamatakis, E., P. Katzmarzyk, T. Saunders, and M. Buman. “Review and Comparison of New Sedentary Behaviour Guidelines in Adults and Older Adults for the United States, Canada, and the World Health Organization: Symposium C9”. The Health & Fitness Journal of Canada, vol. 14, no. 3, Sept. 2021, doi:10.14288/hfjc.v14i3.635.