National Cerebral and Cardiovascular Center Research Institute - Department of Preventive Medicine and Epidemiology, University of Michigan at Ann Arbor, University of Michigan at Ann Arbor, University of Michigan at Ann Arbor - Department of Emergency Medicine, University of Michigan at Ann Arbor - Department of Emergency Medicine, University of Michigan at Ann Arbor, University of Michigan at Ann Arbor, Vanderbilt University, University of Michigan at Ann Arbor and University of Michigan at Ann Arbor - Department of Emergency Medicine

University of Michigan at Ann Arbor - Department of Emergency Medicine, Oregon Health and Science University, The Christ Hospital Health Network, University of Cincinnati, University of Cincinnati, University of Cincinnati, University of Cincinnati, Emory University, University of Cincinnati, University of Cincinnati, McGovern Medical School - Texas Emergency Medicine Research Center, University of Minnesota - Minneapolis, University of Michigan at Ann Arbor - Department of Emergency Medicine, The Christ Hospital Health Network and University of Cincinnati