Universidade de Santiago de Compostela - Epidemiology Department, Universidade de Santiago de Compostela - Pulmonology Department, Universidade de Santiago de Compostela - Pulmonology Department, Universidade de Santiago de Compostela - Pulmonology Department, Universidade de Santiago de Compostela - Department of Statistics, Mathematical Analysis, and Optimization, Universidade de Santiago de Compostela - Pulmonology Department, Universidade de Santiago de Compostela - Pulmonology Department, Universidade de Santiago de Compostela - Pulmonology Department, Universidade de Santiago de Compostela - Pulmonology Department, Universidade de Santiago de Compostela - Pulmonology Department, Universidade de Santiago de Compostela - Interdisciplinary Group of Research in Pulmonology, Universidade de Santiago de Compostela - Pulmonology Department, Universidade de Santiago de Compostela - Microbiology Department, Universidade de Santiago de Compostela - Pulmonology Department, Universidade de Santiago de Compostela - Anesthesiology Department, Universidade de Santiago de Compostela - Primary Health Care, Universidade de Santiago de Compostela - EmergencyDepartment, Universidade de Santiago de Compostela - Microbiology Department, Universidade de Santiago de Compostela - Intensive Care Unit, University Clinical Hospital of Santiago de Compostela - Anaesthesia Department, Universidade de Santiago de Compostela - Internal Medicine Department, Universidade de Santiago de Compostela - Internal Medicine Department, Universidade de Santiago de Compostela - Internal Medicine Department, Universidade de Santiago de Compostela - Internal Medicine Department, Universidade de Santiago de Compostela - Internal Medicine Department, Universidade de Santiago de Compostela - Internal Medicine Department, Universidade de Santiago de Compostela - Internal Medicine Department, Universidade de Santiago de Compostela - Internal Medicine Department, Universidade de Santiago de Compostela - Internal Medicine Department, Universidade de Santiago de Compostela - Internal Medicine Department, Universidade de Santiago de Compostela - Internal Medicine Department, Universidade de Santiago de Compostela - Internal Medicine Department, Universidade de Santiago de Compostela - Internal Medicine Department and Universidade de Santiago de Compostela - Pulmonology Department

affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Universidade de Santiago de Compostela - Epidemiology Department, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Universidade de Santiago de Compostela - Interdisciplinary Group of Research in Pulmonology and Universidade de Santiago de Compostela - Pulmonology Department