1 Department of Anesthesiology and Intensive Care, Humanitas Research Hospital, Humanitas University, Via Manzoni 56, Rozzano, Milan, Italy. massimiliano.greco@hunimed.eu.
2 Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20090, Pieve Emanuele, Milan, Italy. massimiliano.greco@hunimed.eu.
3 Department of Anesthesiology and Surgical Intensive Care, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
4 Department of Intensive Care, Hospital General Universitari de Castelló, Castelló de la Plana, Spain.