1 Department of Anaesthesiology and Intensive Care Medicine, Medical University of Innsbruck, Anichstrasse 35, 6020 Innsbruck, Austria; Institute of Mountain Emergency Medicine, EURAC Research, Bolzano, Italy. Electronic address: bernd.wallner@i-med.ac.at.
2 Institute of Mountain Emergency Medicine, EURAC Research, Medical University Innsbruck, Austria; International Commission for Mountain Emergency Medicine ICAR MEDCOM, Drususallee 1, 39100 Bolzano, Italy. Electronic address: giacomo.strapazzon@eurac.edu.
3 Institute of Mountain Emergency Medicine, EURAC Research, Medical University Innsbruck, Austria; International Commission for Mountain Emergency Medicine ICAR MEDCOM, Drususallee 1, 39100 Bolzano, Italy. Electronic address: hermann.brugger@eurac.edu.