1. Norwegian Armed Forces Joint Medical Services, Sessvollmoen 2058, Norway
2. Clinic of Anesthesia and Intensive Care, St. Olav’s University Hospital, Trondheim 7006, Norway
3. Department of Anesthesia and Intensive Care, Levanger Hospital, Levanger 7600, Norway
4. Royal Australian Navy, Maritime Operational Health Unit, HMAS Penguin, Mosman, NSW 2088, Australia
5. US Army Institute of Surgical Research, San Antonio, TX 78234, USA
6. Defense Committee on Trauma, Joint Trauma System, Falls Church, VA 22042, USA