1 Faculty of Medicine, Vita-Salute San Raffaele University, Milan, Italy; Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy.
2 Faculty of Medicine, Vita-Salute San Raffaele University, Milan, Italy; Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy. Electronic address: landoni.giovanni@hsr.it.
3 Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy.
4 Department of Anesthesiology and Intensive Care, I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian, Moscow, Russia.