1 Pulmonary Department, Hospital Universitari Arnau de Vilanova and Santa Maria, Lleida, Spain; Translational Research in Respiratory Medicine Group (TRRM), Lleida, Spain; Lleida Biomedical Research Institute (IRBLleida), Lleida, Spain; CIBER of Respiratory Diseases (CIBERES), Institute of Health Carlos III, Madrid, Spain.
2 Pulmonary Department, Hospital Universitari Arnau de Vilanova and Santa Maria, Lleida, Spain; Translational Research in Respiratory Medicine Group (TRRM), Lleida, Spain; Lleida Biomedical Research Institute (IRBLleida), Lleida, Spain; CIBER of Respiratory Diseases (CIBERES), Institute of Health Carlos III, Madrid, Spain. Electronic address: febarbe.lleida.ics@gencat.cat.