1. St Michael's Hospital, Li Ka Shing Knowledge Institute, Keenan Research Centre
2. University of Toronto, Interdepartmental Division of Critical Care Medicine, Toronto, Ontario, Canada
3. Università Cattolica del Sacro Cuore, Facoltà di Medicina e Chirurgia, Anesthesiology and Intensive Care Medicine
4. Fondazione Policlinico Universitario A. Gemelli IRCCS, Anesthesia, Emergency and Intensive Care Medicine, Roma, Italy
5. Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid
6. Critical Care Department, Althaia Xarxa Assistencial Universitària de Manresa, IRIS Research Institute, Manresa, Spain
7. Grup de Recerca de Malalt Crític (GMC). Institut de Recerca Biomèdica Catalunya Central IRIS-CC