Institution: | 1. Pulmonology and Respiratory Intensive Care Unit. Respiratory Institute, Hospital Clínic of Barcelona, Barcelona, Spain;2. Institut d’Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain;3. Centro de Investigación Biomédica en Red–Enfermedades Respiratorias, Spain;4. Intensive Care Unit, Sagrat Cor University Hospital, Barcelona, Spain;5. University of Barcelona, Barcelona, Spain;6. Radiology Department, Centre de Diagnòstic per la Imatge Clínic, Hospital Clínic of Barcelona, Barcelona, Spain;7. Anesthesiology and Surgical Intensive Care Unit. Hospital Clínic of Barcelona, Barcelona, Spain;8. Cardiac Intensive Care Unit, Cardiology, Cardiovascular Institute, Hospital Clínic of Barcelona, Barcelona, Spain;9. Cardiac Surgery Intensive Care Unit, Cardiovascular Institute, Hospital Clínic of Barcelona, Barcelona, Spain;10. Liver Intensive Care Unit, Metabolic and Digestive Disease Institute, Hospital Clínic of Barcelona, Barcelona, Spain;11. Medical Intensive Care Unit, Internal Medicine and Dermatology Institute, Hospital Clínic of Barcelona, Barcelona, Spain;12. Infectious Diseases Department, Internal Medicine and Dermatology Institute, Hospital Clínic of Barcelona, Barcelona, Spain |