1 Department of Anesthesiology, Vall d'Hebron University Hospital, Barcelona, Spain; Department of Medical Science, Faculty of Medicine, University of Girona, Girona, Spain. Electronic address: roblasc.rb@gmail.com.
2 Department of Medical Science, Faculty of Medicine, University of Girona, Girona, Spain; Department of Emergency, Cerdanya Hospital, Puigcerdà, Spain; Sistema Emergencies Mèdiques (SEM), Catalonia, Spain.
3 Institute of Mountain Emergency Medicine, Eurac Research, Bolzano, Italy.
4 Institute of Mountain Emergency Medicine, Eurac Research, Bolzano, Italy; Department of Neurology/Stroke Unit, Hospital of Bolzano (SABES-ASDAA), Bolzano, Italy.