1. Key Laboratory of Drug Targeting and Drug Delivery System of Education Ministry; Department of Medicinal Chemistry; West China School of Pharmacy; Sichuan University; Chengdu P. R. China
2. State Key Laboratory of Biotherapy; West China Hospital; Sichuan University; Chengdu P. R. China
3. School of Chemical Engineering; Sichuan University; Chengdu P. R. China