1. Postgraduate Student, Department of Anesthesiology, Drum-Tower Hospital, Medical School, Nanjing University, Nanjing, Jiangsu Province, China.
2. Associate Professor, Department of Anesthesiology, Drum-Tower Hospital, Medical School, Nanjing University.
3. Professor and Chairman, Department of Anesthesiology, Drum-Tower Hospital, Medical School, Nanjing University.