1. Division of Pneumology – Pulmonary Rehabilitation Center, Universidade Federal de São Paulo, São Paulo, Brazil
2. Department of Physiotherapy, Universidade Federal do Rio Grande do Norte, Natal, Brazil
3. Department of Physiotherapy, Universidade Federal dos Pampas, Rio Grande do Sul, Brazil
4. Department of Physiotherapy, Centro Universitário Adventista de São Paulo, São Paulo, Brazil