1 Institute of Mountain Emergency Medicine, Eurac Research, Via Ipazia 2, Bolzano, Italy; Medical University Innsbruck, Innerkoflerstrasse 1, 6020 Innsbruck, Austria. Electronic address: hermann.brugger@eurac.edu.
2 Department of Anaesthesiology and Intensive Care Medicine, Hospitallers Brothers Hospital, Paracelsus Medical University Salzburg, Kajetanerplatz 1, 5020 Salzburg, Austria. Electronic address: peter.paal@icloud.com.
3 Department of Emergency Medicine, Alaska Native Medical Center, Anchorage, AK, USA; Department of Emergency Medicine, Stanford University, School of Medicine, Stanford, California, USA. Electronic address: kenzafren@gmail.com.
4 Institute of Mountain Emergency Medicine, Eurac Research, Via Ipazia 2, Bolzano, Italy; Medical University Innsbruck, Innerkoflerstrasse 1, 6020 Innsbruck, Austria. Electronic address: giacomo.strapazzon@eurac.edu.
5 University of Colorado, Emergency Department, Mail Stop B215, 12401 E, 17th Avenue, Aurora, Colorado 80045, USA. Electronic address: martin.musi@cuanschutz.edu.