1. Department of Anesthesiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei City, Taiwan
2. Department of Anesthesiology, Wan-Fang Hospital, Taipei Medical University, Taipei City, Taiwan
3. Department of Neurosurgery, Wan-Fang Hospital, Taipei Medical University, Taipei City, Taiwan
4. Anesthesiology and Health Policy Research Center, Taipei Medical University Hospital, Taipei City, Taiwan
5. Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei City, Taiwan
6. Cellular Physiology and Molecular Image Research Center, Wan-Fang Hospital, Taipei Medical University, Taipei City, Taiwan