1. Assistant Professor.
2. Postdoctoral Fellow, Center for Anesthesiology Research, The Cleveland Clinic Foundation, Cleveland, Ohio.
3. Staff Anesthesiologist, Department of Anesthesia, Tama-nagayama Hospital, Nippon Medical School. Assistant Professor, Department of Anesthesiology, Tokyo Jikeikai Medical School, Tokyo, Japan.
4. Staff Anesthesiologist.
5. Professor and Director, Department of Anesthesia, Chiba Hokusoh Hospital.
6. Professor and Chairman, Department of Anesthesiology, Nippon Medical School.