1. Department of Neurosurgery, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.
2. Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
3. Department of Emergency, West China Hospital, Sichuan University, Chengdu, Sichuan, China.