| Affiliation: | 1. Division of Cardiology, Department of Medicine, University of Minnesota School of Medicine, Minneapolis, MN, United States;2. Division of Cardiothoracic Surgery, University of Minnesota School of Medicine, Minneapolis, MN, United States;3. Department of Emergency Medicine, Medical College of Wisconsin, Milwaukee, WI, United States;1. Division of Cardiology, University of Washington, Seattle, Washington, USA;2. Harborview Center for Prehospital Emergency Care, University of Washington, Seattle, Washington, USA;2. University of Western Ontario, London, Ontario, Canada;3. Sydney Medical School, University of Sydney, Sydney, NSW, Australia |
