1. Pulmonary Function and Clinical Exercise Physiology Unit (SEFICE), Division of Respirology, Federal University of Sao Paulo, Sao Paulo, Brazil
2. Department of Physiotherapy, Federal University of Sao Carlos, Sao Carlos, Brazil
3. Laboratory of Clinical Exercise Physiology and Respiratory Investigation Unit, Queen's University and Kingston General Hospital, Kingston, Canada
4. Division of Cardiology, Federal University of Sao Paulo, Sao Paulo, Brazil
5. Division of Respirology, Federal University of Rio Grande do Sul, Porto Alegre, Brazil