1 Division of Cardiothoracic Surgery, Department of Surgery, University of Utah Health, Salt Lake City, UT.
2 Department of Emergency Medicine, University of Utah Health, Salt Lake City, UT.
3 Division of Neuroscience Critical Care, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD.
4 Division of Neuroscience Critical Care, Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD.
5 Division of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD.