| Affiliation: | 1. Postgraduate Studies Program in Pulmonology, School of Medicine, Federal University of Rio Grande do Sul, , Porto Alegre, Brazil;2. Cardiology, School of Medicine, Federal University of Rio Grande do Sul, , Porto Alegre, Brazil;3. Exercise Pathophysiology Research Laboratory, Hospital de Clínicas de Porto Alegre, , Porto Alegre, RS, Brazil;4. Department of Cardiology, Hospital de Clínicas de Porto Alegre, , Brazil;5. Federal University of Health Sciences of Porto Alegre and Feevale University, , Porto Alegre, Brazil;6. Respiratory Division, Hospital de Clínicas de Porto Alegre, , Porto Alegre, RS, Brazil |
