Affiliations

• ¹ Department of Emergency Medicine, University of Maryland School of Medicine, Program in Trauma and Critical Care, R Adams Cowley Shock Trauma Center, 22 S. Greene Street, T1R51, Baltimore, MD 21201, USA. Electronic address: william.teeter@som.umaryland.edu.
• ² R Adams Cowley Shock Trauma Center, University of Maryland Medical System, Program in Trauma, University of Maryland School of Medicine, 22 S. Greene Street, T1R51, Baltimore, MD 21201, USA.