1. Fundación de investigación Sanitaria de las Islas Baleares Ramon Llull (FISIB); Palma de Mallorca Spain
2. Son Espases University Hospital; Palma de Mallorca Spain
3. Respiratory diseases CIBERs (CIBERES); Palma de Mallorca Spain
4. Thorax Institute; Hospital Clinic; Institute of Biomedical Research August Pi i Sunyer (INDIBAPS); Barcelona Spain
5. University of Barcelona; Barcelona Spain