1 Department of Surgery and the Program in Trauma, University of Maryland School of Medicine, Baltimore, MD Department of Critical Care Medicine, Cooper University Health System, Camden, NJ Pittsburgh Critical Care Associates, Pittsburgh, PA Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN Neuroscience Institute, The Queen's Medical Center, Honolulu, HI Department of Surgery, University of Florida, Gainesville, FL Department of Anesthesia & Critical Care, University of Chicago, Chicago, IL Department of Medicine, Emory University, Atlanta, GA Department of Emergency Medicine, Washington University School of Medicine in Saint Louis, St. Louis, MO.