1. Emergency Medical Services; Tampere University Hospital; Tampere Finland
2. FinnHEMS Research and Development Unit; FinnHEMS Ltd; WTC Helsinki Airport; Vantaa Finland
3. Department of Intensive Care; Tampere University Hospital; Tampere Finland
4. Faculty of Social Sciences; University of Tampere; Tampere Finland
5. Department of Anaesthesia; Tampere University Hospital; Tampere Finland