David F Sigmon1, Marcie Feinman2, Elliott R Haut3. 1. Department of General Surgery, University of Illinois at Chicago Medical Center, Chicago, IL, USA. 2. Department of Surgery, Sinai Hospital of Baltimore, Baltimore, MD, USA. 3. Division of Acute Care Surgery, Department of Surgery, The Johns Hopkins University School of Medicine, The Johns Hopkins University Bloomberg School of Public Health, Sheikh Zayed 6107C, 1800 Orleans St., Baltimore, MD, 21287, USA. ehaut1@jhmi.edu.