Affiliation: | 1. Department of Emergency Medicine, Emory University School of Medicine, Atlanta, GA;2. Department of Emergency Medicine, University of Cincinnati, Cincinnati, OH;3. Grady Health System, Atlanta, GA;4. Emory University School of Medicine, Atlanta, GA;1. Northwest Permanente, Portland, OR;2. Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, TN;3. MEDStar Washington Hospital, Washington, DC |