1. Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
2. Ciber de Enfermedades Respiratorias (Ciberes), University of Barcelona (UB), Barcelona, Spain
3. Department of Pneumology, Institut Clinic del Tórax, Hospital Clinic of Barcelona, Barcelona, Spain
4. Faculty of Health Sciences, Continental University, Huancayo, Peru
5. Ciber de Enfermedades Respiratorias (Ciberes), Barcelona, Spain