1. Analytical Research Center for Organic and Biological Molecules, CAS Key Laboratory of Receptor Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Media, Chinese Academy of Sciences, Shanghai, 201203, P. R. China
2. School of Bioengineering, East China University of Science and Technology, Shanghai 200237, P. R. China
3. Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Fudan University, Shanghai 200032, P. R. China
4. University of Chinese Academy of Sciences, Beijing 100049, P. R. China