Inequalities in Physical Activity During the COVID-19 Pandemic: Report on 4 Consecutive Population-Based Surveys in Southern Brazil. - Ricardo, Luiza Isnardi Cardoso; Knuth, Alan G.; Nunes, Bruno Pereira; Hallal, Pedro C.; Santos, Leonardo Pozza; Harter, Jenifer; Pellegrini, Débora da Cruz Payão; Crochemore-Silva, Inácio (Journal of Physical Activity & Health, 2022)