Affiliation: | 1. Pulmonary Function and Clinical Exercise Physiology Unit, Division of Respiratory Diseases, Department of Medicine, Federal University of Sao Paulo (UNIFESP), , S?o Paulo, S?o Paulo, Brazil;2. Haemodynamic Evaluation Unit, Division of Cardiology, Department of Medicine, Federal University of Sao Paulo (UNIFESP), , S?o Paulo, Brazil |