From the Division of Trauma, Burns and Surgical Critical Care, Department of Surgery (S.S., O.H., V.G., J.Nahmias), University of California Irvine Medical Center, Orange; Department of Anesthesiology (C.M.K.), University of Southern California, Los Angeles, California; Department of Anesthesiology (X.L., B.O., M.I.A., E.M., T.M.) and Division of Burns, Trauma and Critical Care (T.S., A.F.), University of Texas Southwestern; Department of Anesthesiology and Pain Management (R.D., J.Navas) and Department of Surgery (G.V., D.D.Y.), University of Miami, Miami, Florida; Department of Surgery (K.M., M.F., T.L.), University of Southern California, Los Angeles; and Institute for Clinical and Translation Sciences (J.R.-O.) and Center for Statistical Consulting (J.R.-O.), University of California, Irvine, California.