1. Cardiology and Cardiovascular Surgery Discipline, Sao Paulo Hospital, Federal University of Sao Paulo, São Paulo, Brazil
2. Cardiopulmonary Physiotherapy Laboratory, Federal University of São Carlos, São Carlos, Brazil
3. Department of Physical Therapy, College of Applied Health Sciences, University of Illinois at Chicago, Chicago, IL, USA
4. Department of Human Motion Sciences, Physiotherapy School, Federal University of São Paulo, Sao Paulo, Brazil