1. Department of Intensive Care, Emergency Medicine and Anaesthesiology, Fondazione Policlinico Universitario ‘Agostino Gemelli’- IRCCS
2. Institute of Anaesthesiology and Intensive Care Medicine, Università Cattolica del Sacro Cuore, Rome, Italy
3. Department of Emergency Medicine and Services, University of Helsinki
4. Helsinki University Hospital, Helsinki, Finland
5. Department of Intensive Care, Hôpital Universitaire de Bruxelles (HUB), Université Libre de Bruxelles (ULB), Brussels, Belgium