1. Center
for Drug Delivery System, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201210, China
2. School
of Pharmaceutical Sciences, Anhui University of Chinese Medicine, Hefei 230038, China
3. School
of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
4. Division
of Anti-tumor Pharmacology, State Key Laboratory of Drug Research,
Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China