1. University of Maryland School of Medicine, Baltimore, Maryland; University of Maryland School of Medicine, Research Associate Program in Emergency Medicine & Critical Care, Department of Emergency Medicine, Baltimore, Maryland; The R. Adams Cowley Shock Trauma Center, University of Maryland School of Medicine, Baltimore, Maryland; University of Maryland School of Medicine, Department of Emergency Medicine, Baltimore, Maryland
2. University of Maryland School of Medicine, Research Associate Program in Emergency Medicine & Critical Care, Department of Emergency Medicine, Baltimore, Maryland
3. University of Maryland School of Medicine, Baltimore, Maryland
4. University of Maryland School of Medicine, Research Associate Program in Emergency Medicine & Critical Care, Department of Emergency Medicine, Baltimore, Maryland; Wellspan York Hospital, Department of Emergency Medicine, York, Pennsylvania
5. University of Maryland School of Medicine, Department of Neurosurgery, Baltimore, Maryland
6. Mount Sinai Hospital, Department of Critical Care Medicine, York, New York
7. The R. Adams Cowley Shock Trauma Center, University of Maryland School of Medicine, Baltimore, Maryland
8. The R. Adams Cowley Shock Trauma Center, University of Maryland School of Medicine, Baltimore, Maryland; University of Maryland School of Medicine, Department of Neurosurgery, Baltimore, Maryland
9. The R. Adams Cowley Shock Trauma Center, University of Maryland School of Medicine, Baltimore, Program in Trauma/Surgical Critical Care, Baltimore, Maryland