1. Division of Trauma, Burns, and Surgical Critical Care, Department of Surgery, University of California, Orange, CA, USA
2. Division of Trauma, Burns, Acute and Critical Care, Department of Surgery, Weill Cornell Medicine, New York, NY, USA
3. Division of Medical Ethics, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
4. Department of Anesthesiology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
5. Department of Surgery, Harbor-UCLA Medical Center, Torrance, CA, USA