1. Brain Disease Research Center, Department of Anesthesiology, Wan-Fang Hospital, Taipei Medical University, Taipei 116, Taiwan
2. Graduate Institute of Medical Sciences and Comprehensive Cancer Center of Taipei Medical University, Taipei Medical University, 250 Wu-Xing Street, Taipei 110, Taiwan
3. Department of Laboratory Medicine, China Medical University Hospital, Taichung 404, Taiwan
4. Department of Anesthesiology, Shuang-Ho Hospital, Taipei Medical University, Taipei 235, Taiwan
5. National Research Institute of Chinese Medicine, Taipei 112, Taiwan
6. Anesthetics Toxicology Research Center, Taipei Medical University Hospital, Taipei 110, Taiwan