Effect of very vigorous physical activity on cardiac autonomic modulation in smokers and nonsmokers: An epidemiological study - Christofaro, Diego G D. [UNESP]; Tebar, William R. [UNESP]; Saraiva, Bruna T C. [UNESP]; Silva, Gabriela C R. [UNESP]; Vanderlei, Luiz Carlos M. [UNESP] (Sociedade Brasileira de Pneumologia e Tisiologia, 2021)