Fig. 1From: Identification of the technical and medical requirements for HEMS avalanche rescue missions through a 15-year retrospective analysis in a HEMS in Switzerland: a necessary step for quality improvementFlowchart of the study patients. Rega-Swiss Air Ambulance Helicopter Emergency Medical Service (HEMS) avalanche rescue missions between 1.01.2001 and 31.05.2016Back to article page