1. State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
2. School of Life Sciences, Jilin University, Changchun 130012, China
3. University of Chinese Academy of Sciences, Beijing 100049, China
4. Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, United States