From the Department of Surgery, Scripps Memorial Hospital, La Jolla, California (G.T.T.); Department of Surgery, Dell Medical School, University of Texas at Austin, Texas (C.V.R.B.); Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts (J.T.S.); Legacy Good Emanuel Hospital & Health Center, Portland, Oregon (R.R.B.); University of Wisconsin, Madison, Wisconsin (S.A.); Case Western Reserve University School of Medicine, Cleveland, Ohio (N.M.); Department of Surgery, University of California, Davis, California (G.U.); and Department of Surgery, University of Florida College of Medicine, Jacksonville, Florida (M.C.).