1. Department of Emergency Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
2. Surgical Intensive Care Unit, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
3. Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
4. The Division of Trauma, Emergency Surgery and Surgical Critical Care, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
5. Medical Intensive Care Unit, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
6. Department of Emergency Medicine, UC San Diego Health System, UC San Diego School of Medicine, San Diego, CA, USA
7. Division of Critical Care, Department of Anesthesiology, UC San Diego Health System, UC San Diego School of Medicine, San Diego, CA, USA
8. Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA