* Assistant Professor, Department of Anesthesiology, National Defense Medical College, Tokorozawa, Japan and Research Fellow, Department of Anesthesia, Ghent University, Ghent, Belgium; † Assistant Professor, ‡ Professor and Chairman, Department of Anesthesiology, National Defense Medical College, Tokorozawa, Japan; § Lecturer, Department of Anesthesiology, Osaka University Graduate School of Med (2009-10-01時点)