1 From the Division of Acute Care Surgery, Scripps Memorial Hospital La Jolla (W.L.B.), San Diego, California; RA Cowley Shock Trauma Center, University of Maryland School of Medicine Baltimore (D.M.S.), Baltimore, Maryland; Department of Surgery (D.H.L.), Rutgers New Jersey Medical School Newark, Rutgers New Jersey; Division of Trauma and Acute Care Surgery, Weill Cornell Medicine (R.J.W.), New York, New York; University of Maryland School of Medicine/RA Cowley Shock Trauma Center (J.D.J.), Baltimore, Maryland; Division of Trauma and Acute Care Surgery, University of Oklahoma (R.A.), Norman, Oklahoma; Division of Trauma and Acute Care Surgery, Oregon Health & Science University (K.J.B.), Portland, Oregon; Department of Surgery (C.C.B.), University of Colorado, Denver, Colorado; Department of Surgery (T.W.C.), University of California San Diego School of Medicine, San Diego, California; Department of Surgery (R.A.D.), University of California Los Angeles, Los Angeles, California; Trauma Surgery & Surgical Critical Care (K.I.), University of Southern California, Los Angeles, California; Shock Trauma Center University of Maryland Medical Center (R.A.K.), Baltimore, Maryland; Department of Surgery, The Children's Hospital of Philadelphia (M.L.N.), Philadelphia, Pennsylvania; Department of Surgery (L.M.N.), University of Michigan School of Medicine, Ann Arbor, Michigan; Department of Surgery, Brigham and Women's Hospital (A.S.), Boston, Massachusetts; Department of Surgery (H.P.S.), Ohio State University Wexner Medical Center, Columbus, Ohio; Department of Neurosurgery (A.B.V.), UT Southwestern: The University of Texas Southwestern Medical Center, Dallas, Texas; Department of Orthopedic Surgery (P.W.), Dartmouth-Hitchcock Health System: Dartmouth-Hitchcock Health GraniteOne, Lebanon, New Hampshire; Department of Surgery (B.Z.), University of Wisconsin, Madison, Wisconsin; and Division of Trauma and Acute Care Surgery, Riverside University Health System Medical Center (R.C.), Moreno Valle, California.