1. Department of Emergency Medicine, Medical University of Vienna, Vienna, Austria.
2. Division of Cardiology, University of Washington, Seattle, Washington, USA.
3. Médecine Intensive Réanimation, CHU de Nantes, Nantes, France.
4. Harborview Medical Center, Heart Institute, University of Washington, Seattle, Washington, USA.
5. Department of Medicine and Emergency Medicine, University of Washington-Harborview Center for Prehospital Emergency Care, University of Washington, Seattle, Washington, USA.