1. Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA.
2. Intermountain Medical Center, Salt Lake City, UT.
3. Washington University, Saint Louis, MO.
4. The Ohio State University, Columbus, OH.
5. University of Pittsburgh School of Medicine, Pittsburgh, PA.
6. Society of Critical Care Medicine, Mount Prospect, IL.
7. Duke University, Durham, NC.
8. McMaster University, Hamilton, ON, Canada.
9. Baylor College of Medicine, Houston, TX.