1. Chief, Department of Anesthesia, Osaka Kohseinenkin Hospital, and Lecturer, Kyoto University, Osaka City University, Osaka University, and Osaka Dental University.
2. Associate Chief.
3. Chief, Department of Anesthesia, Osaka City Perinatal Center, Osaka.
4. Staff.
5. Assistant, Department of Anesthesiology, Kyoto University, Kyoto.
6. Professor and Chairman, Department of Anesthesiology, Osaka City University, Osaka, Japan.