1. La Fe University and Polytechnic HospitalValencia, Spain
2. La Fe Health Research InstituteValencia, Spain
3. Hospital Clinic of Barcelona, August Pi i Sunyer Biomedical Research Institute (IDIBAPS)Barcelona, Spain
4. Center for Biomedical Research Network in Respiratory Diseases (CIBERES)Barcelona, Spain
5. University of FoggiaFoggia, Italyand
6. Hospital Clinic, August Pi i Sunyer Biomedical Research Institute (IDIBAPS)Barcelona, Spain