Affiliation: | aDivision of Cardiac Surgery, University of Maryland Medical Center, Baltimore, Maryland;cEmergency Department, University of Maryland Medical Center, Baltimore, Maryland;eDivision of Epidemiology, University of Maryland Medical Center, Baltimore, Maryland;fDepartment of Neurology, University of Maryland Medical Center, Baltimore, Maryland;bDivision of Infectious Diseases, The Oregon Health & Science University, Portland, Oregon;dDivision of Cardiac Surgery, The Oregon Health & Science University, Portland, Oregon |