1 First Department of Critical Care Medicine and Pulmonary Services, Evangelismos Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece.
2 Division of Pulmonary and Critical Care Medicine, Department of Medicine, and.
3 Department of Medicine, NewYork-Presbyterian Hospital, Weill Cornell Medical Center, Weill Cornell Medicine, New York, New York.
4 Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain.
5 Research Unit, Hospital Universitario Dr. Negrín, Las Palmas de Gran Canaria, Spain.
6 Li Ka Shing Knowledge Institute at St. Michael's Hospital, Toronto, Ontario, Canada.
7 Universidad del Atlántico Medio, Faculty of Health Sciences, Gran Canaria, Spain.
9 Division of Pulmonary and Critical Care Medicine, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.