1 From Emergency Service, Lausanne University Hospital, Lausanne, Switzerland (M.P.); the Department of Anaesthesiology and Intensive Care, Hospitallers Brothers Hospital, Paracelsus Medical University, Salzburg, Austria (P. Paal); the Faculty of Health Sciences, Jagiellonian University Medical College, Krakow (S.K.), the Department of Emergency Medicine, Jan Kochanowski University, Kielce (P. Podsiadlo), and the Department of Anaesthesiology and Intensive Care, Medical University of Silesia, Katowice (T.D.) - all in Poland; and the Department of Emergency Medicine, University of British Columbia, New Westminster, BC, Canada (D.B.).