1 From the Shock Trauma Center (RAK, DMS), University of Maryland, Baltimore, Maryland; Department of Surgery (S.A.), University of Washington, Seattle, Washington; Department of Surgery (S.R.S.), Scripps Mercy, San Diego, California; Division of Trauma and Surgical Critical Care (R.D.B.), Department of Surgery, Lehigh Valley Health Network, Allentown, Pennsylvania; Department of Surgery (W.L.B.), Denver Health, Denver, Colorado; Department of Surgery (K.J.B.), Oregon Health and Science University, Portland, Oregon; Department of Surgery (Z.C.), Brigham and Women's Hospital, Boston, Massachusetts; Department of Surgery (S.M.F.), Medical University of South Carolina, Charleston, South Carolina; Department of Surgery (D.L.), Rutgers-New Jersey Medical School, Newark, New Jersey; Department of Surgery (F.M.), University of Florida, Gainesville, Florida; Department of Surgery (F.L.), Stritch School of Medicine, Loyola University of Chicago, Maywood, Illinois.