1. State Key Laboratory of Biotherapy and Cancer Center; Department of Neurosurgery; West China Hospital; Sichuan University; Collaborative Innovation Center for Biotherapy; Chengdu 610041 P. R. China
2. Department of Pharmacology and Pharmaceutical Sciences; School of Medicine; Tsinghua University; Collaborative Innovation Center for Biotherapy; Beijing 100084 P. R. China
3. Key Laboratory of Xinjiang Phytomedicine Resources; Shihezi 832002 P. R. China