1. Department of Neurosurgery, West China Hospital, West China School of Medicine, Sichuan University, Chengdu, Sichuan Province, People’s Republic of China
2. State Key Laboratory of Biotherapy, West China Hospital, West China School of Medicine, Sichuan University, Chengdu, Sichuan Province, People’s Republic of China
3. Department of Neurology, West China Hospital, West China School of Medicine, Sichuan University, Chengdu, Sichuan Province, People’s Republic of China
4. Department of Otolaryngology, Head and Neck Surgery, West China Hospital, West China School of Medicine, Sichuan University, Chengdu, Sichuan Province, People’s Republic of China