*Director, Department of Anesthesiology, Osaka Prefectural Habikino Hospital. †Lecturer, Surgical Center, Professor Emeritus, Department of General Medicine, Osaka University Hospital, Osaka, Japan. ‡Director, Department of Anesthesiology, Osaka Prefectural General Hospital, Osaka, Japan. § Professor and Chairman, Department of Anesthesiology, Osaka University Graduate School of Medicine, Osaka, (At 2002-12-01)