Affiliation: | 1. The Division of Cardiology, Department of Medicine, Johns Hopkins Hospital, Baltimore, MD, USA;2. Knight Cardiovascular Institute, Oregon Health & Science University, Portland, OR, USA;3. Whiting School of Engineering, The Johns Hopkins University, Baltimore, MD, USA;4. The Emergency Medicine Department, Johns Hopkins Hospital, Baltimore, MD, USA;5. Department of Emergency Medicine, University of Michigan Health Systems, Ann Arbor, MI, USA |