1. Department of Anesthesiology , Vall d’Hebron University Hospital , Barcelona , Spain
2. Department of Medical Science , Faculty of Medicine, University of Girona , Barcelona , Spain
3. Department of Critical Care Medicine , University of Calgary , Calgary , Canada
4. O’Brien Institute for Public Health , University of Calgary , Calgary , Canada
5. Department of Emergency , Cerdanya Hospital , Puigcerdà , Spain
6. Sistema Emergencies Mèdiques (SEM) , Hospitalet de Llobregat , Spain
7. Department of Anaesthesiology and Intensive Care Medicine , St. John of God Hospital, Paracelsus Medical University , Salzburg , Austria