Leveraging Environmental data for Air Pollution exposure assessment in Epidemiology (LEAP-Epi) Team, & South African Low-Cost Sensor Inter-Comparison Campaign (LCS-SA) Team. (2021). Commentary: Opportunities for the application of low-cost sensors in epidemiological studies to advance evidence of air pollution impacts on human health. Clean Air Journal, 31(1). https://doi.org/10.17159/caj/2021/31/1.11219