1. Department of Anesthesiology and Perioperative Medicine, Oregon Health and Science University, Portland, Oregon
2. Department of Anesthesiology, University of Miami, Ryder Trauma Center, Miami, Florida
3. Trauma Anaesthesia Group, Royal London Hospital, Barts Health NHS Trust, London, United Kingdom
4. Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas
5. Baptist Health, Fort Smith, Arkansas
6. Department of Anesthesiology, University of Florida College of Medicine, Gainesville, Florida
7. Department of Anesthesia, The Permanente Medical Group, South Sacramento, California.