1. Professor and Chair, Department of Dental Anesthesiology, Kanagawa Dental University, Yokosuka, Japan,
2. Associate Professor, Division of Dental Anesthesiology, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan,
3. Assistant Professor, Department of Anesthesiology, Kindai University, Osaka, Japan,
4. Professor and Chair, Department of Dental Anesthesiology, Hokkaido University, Sapporo, Japan