1. Department of Anesthesia, Critical Care and Emergency, Institute for Scientific Research and Care Foundation Ca’ Granda, Maggiore Policlinico Hospital, Milan, Italy;
2. Department of Emergency and Intensive Care, Institute for Scientific Research and Care Foundation San Gerardo dei Tintori, Monza, Italy;
3. Department of Emergency and Intensive Care, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, Monza, Italy;
4. Department of Critical Care Medicine, McGill University, Montreal, Quebec, Canada;
5. Medical Intensive Care Unit, University Hospital of Angers, Angers, France; and
6. Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy