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1 Department of Pneumology, Hospital Clinic of Barcelona, Spain; August Pi i Sunyer Biomedical Research Institute - IDIBAPS, University of Barcelona, Spain; Biomedical Research Networking Centers in Respiratory Diseases (Ciberes), Barcelona, Spain.
2 Department of Pneumology, Hospital Clinic of Barcelona, Spain; August Pi i Sunyer Biomedical Research Institute - IDIBAPS, University of Barcelona, Spain; Biomedical Research Networking Centers in Respiratory Diseases (Ciberes), Barcelona, Spain. Electronic address: atorres@clinic.cat.
1 Department of Pneumology, Hospital Clinic of Barcelona, Spain; August Pi i Sunyer Biomedical Research Institute - IDIBAPS, University of Barcelona, Spain; Biomedical Research Networking Centers in Respiratory Diseases (Ciberes), Barcelona, Spain.
2 Department of Pneumology, Hospital Clinic of Barcelona, Spain; August Pi i Sunyer Biomedical Research Institute - IDIBAPS, University of Barcelona, Spain; Biomedical Research Networking Centers in Respiratory Diseases (Ciberes), Barcelona, Spain. Electronic address: atorres@clinic.cat.