1. Associate Professor, Department of Anesthesiology, University of California, School of Medicine, Davis, California 95616.
2. Lecturer, Department of Medicine, Charing Cross Hospital Medical School, Fulham Hospital, London, W. 6, England.
3. Associate Professor, Department of Anesthesia. University of Miami, Miami, Florida 33152.
4. Major, USAF, Keesler Medical Center, Biloxi, Mississippi 39531.
5. Assistant Professor in Residence. Anesthesia, University of California Medical Center, San Francisco, California 94122.