1. Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, PR China
2. State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, PR China
3. Department of Ophthalmology, West China Hospital, West China Medical School, Sichuan University, Chengdu 610041, PR China
4. Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu 610041, PR China