1. Department of Physiology and Pathophysiology, School of Basic Medical Sciences; Health Science Center, Xi'an Jiaotong University; Xi'an China
2. Department of Orthopaedics; The First Affiliated Hospital, Xi'an Jiaotong University; Xi'an China
3. Department of Neurosurgery; Tangdu Hospital, The Fourth Military Medical University; Xi'an China
4. Institute of Neurobiology, School of Basic Medical Sciences; Health Science Center, Xi'an Jiaotong University; Xi'an China