1. Associate Professor, Department of Anesthesiology, University of Utah Health Sciences Center, Salt Lake City, Utah.
2. Staff Anesthesiologist, Department of Anesthesiology, LDS Hospital, Salt Lake City, Utah.
3. Assistant Professor, Department of Anesthesiology, University of Utah Health Sciences Center, Salt Lake City, Utah.
4. Staff Anesthesiologist, Department of Anesthesiology, University of Utah Health Sciences Center, Salt Lake City, Utah.
5. Professor, Department of Anesthesiology, University of Utah Health Sciences Center, Salt Lake City, Utah.