* Staff Physician, Department of Emergency Medicine, Catholic University of Leuven, Leuven, Belgium.
† Assistant Professor in Residence, Departments of Pathology and Anesthesiology, University of California-San Diego, La Jolla, California.
‡ Fellow, Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, Wisconsin.
§ Fellow, Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, New York.
¶ Associate Member, Division of Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, Washington. Dr. Hill died August 25, 1991.
# Professor of Anesthesiology and Vice Chair for Research, University of California-San Diego.