1 Department of Emergency Medicine, Niguarda Ca' Granda, Milan, Italy. Electronic address: [email protected].
2 Department of Emergency Medicine, Niguarda Ca' Granda, Milan, Italy.
3 Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy.
4 Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy; Department of Anesthesia and Intensive Care Medicine, Niguarda Ca' Granda, Milan, Italy.