Affiliation: | 1. Division of Emergency Medicine, Duke University Medical Center, 2424 Erwin Road, Suite 504, Durham, NC 27705, USA;2. Department of Emergency Medicine, The Hospital of Central Connecticut, New Britain, CT, USA;1. Section of Cardiology, Department of Internal Medicine, College of Medicine, Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada;2. Cardiac Sciences Program, St Boniface Hospital, University of Manitoba, Winnipeg, Manitoba, Canada;1. Department of Health Science, Pulmonology Unit, University of Milan Bicocca, San Gerardo Hospital, Monza, Italy;2. Department of Health Science, Cardiology Unit, San Gerardo Hospital, Monza, Italy |