1. National Engineering Research Center for Miniaturized Detection Systems, School of Life Sciences, Northwest University, Xi'an, People's Republic of China.
2. Department of Neurosurgery, Tangdu Hospital, the Fourth Military Medical University, Xi'an, People's Republic of China.
3. Medical Center of Tangdu Hospital, the Fourth Military Medical University, Xi'an, People's Republic of China.
4. Department of Neuro-Oncology, Guangdong 999 Brain Hospital, Guangzhou, People's Republic of China.