1. University of Washington, Seattle
2. Department of Anesthesiology, University of Washington, Department of Anaesthesia and Intensive Care, Flinders Medical Centre, Adelaide.
3. Department of Anesthesiology, University of Washington, Department of Therapeutics, University of Sheffield.
4. Department of Anesthesiology, University of Washington.
5. Department of Anesthesiology, University of Washington, Department of Anesthesia, University of Massachusetts Medical School.