1. Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai, Shandong 264000, China
2. The National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
3. University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China