1. Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, People's Republic of China
2. Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, People's Republic of China
3. Institute of Pathology and Pathophysiology, China Medical University, Shenyang, People's Republic of China
4. Department of Physiology, College of Basic Medicine, China Medical University, Shenyang, People's Republic of China
5. Department of Neurology, The First Affiliated Hospital of China Medical University, Shenyang, People's Republic of China