1. Rehabilitation Sciences Post Graduation Program, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
2. Physiotherapy Discipline, La Trobe Clinical School, La Trobe University, Melbourne, Australia
3. Department of Internal Medicine, UFMG, 271, Centro, Belo Horizonte, Brazil
4. Advanced Lung Disease and Pre Lung Transplantation Ambulatory Clinics, UFMG, 271, Centro, Belo Horizonte, Brazil
5. Laboratory of Cardiorespiratory Assessment and Research, Department of Physical Therapy, UFMG, Belo Horizonte, Brazil
6. Department of Physical Therapy, UFMG, Belo Horizonte, Brazil