1. Research Fellow in Neuroanesthesia Research at the University of California at San Diego, and affiliated with the Department of Anesthesiology, Yamaguchi University, Yamaguchi, Japan.
2. Research Fellow in Neuroanesthesia Research at the University of California at San Diego, and affiliated with the Department of Anesthesia, University of Naples, First Medical School, Italy.
3. Professor of Anesthesiology and Neurosurgery, Departments of Anesthesiology, Veterans Administration Medical Center, San Diego, California and University of California at San Diego.
4. Technical Assistant.