1 Pulmonary DivisionCardiopulmonary DepartmentHeart Institute, University of São PauloSão Paulo, Brazil glaucomplens@gmail.com.
2 Pulmonary DivisionCardiopulmonary DepartmentHeart Institute, University of São PauloSão Paulo, BrazilResearch and Education InstituteHospital Sírio-LibanêsSão Paulo, Brazil.