1. Translational Research in Respiratory Medicine Hospital Universitari Arnau de Vilanova‐Santa Maria, Institut de Recerca Biomèdica de Lleida (IRBLleida) Lleida Spain
2. Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES) Madrid Spain
3. Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy University of Concepcion Concepcion Chile
4. Division of Sleep and Circadian Disorders Brigham and Women's Hospital and Harvard Medical School Boston Massachusetts USA
5. Intensive Care Department Hospital Universitari Arnau de Vilanova Lleida Spain
6. Intensive Care Department Hospital Universitari Santa Maria Lleida Spain
7. Servei de Pneumologia, Hospital Clinic Universitat de Barcelona Barcelona Spain