1. Graduate Student.
2. Assistant Professor of Anesthesiology.
3. FM James, III Professor of Anesthesiology and Physiology & Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina.
4. Professor of Anesthesiology.
5. Associate Professor of Anesthesiology, Department of Anesthesiology, Gunma University Graduate School of Medicine, Maebashi, Japan.