1 School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.
2 Department of Emergency and Intensive Care, Terapia intensiva e Semintensiva adulti e pediatrica, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Gerardo dei Tintori, Monza, Italy.
3 Keenan Research Centre, St Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada.
4 Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada.