1. Department of Cardiology and Cardiovascular Surgery, Federal University of Ceará (UFC), Walter Cantídio University Hospital, Fortaleza, Ceará, Brazil
2. School of Medicine, University of Fortaleza (UNIFOR), Fortaleza, Ceará, Brazil
3. Department of Pneumology, Federal University of Ceará (UFC), Walter Cantídio University Hospital, Fortaleza, Ceará, Brazil