Affiliation: | 1. Faculty of Medicine, University of the Republic, Hospital Maciel, Montevideo, Uruguay;2. Faculty of Medicine, University Hospital of Caracas, Central University of Venezuela, Caracas, Venezuela;3. Faculty of Medicine, University of the Republic, Montevideo, Uruguay;4. Colombian Foundation of Pulmonology, Bogotá, Colombia;5. Faculty of Medical Science of Santa Casa de S?o Paulo, Sao Paulo, Brazil;6. Medical Affairs, AstraZeneca Latin America, Buenos Aires, Argentina |