1. Department of Pharmaceutics; School of Pharmacy; Fudan University; 826 Zhangheng Road Shanghai 201203 China
2. Department of Medical Chemistry; School of Pharmacy; Fudan University; 826 Zhangheng Road Shanghai 201203 China
3. Department of Infectious Diseases; Huashan Hospital; Fudan University; 12 Urumqi Middle Road Shanghai 200040 China
4. Key Laboratory of Molecular Virology and Immunology; Institut Pasteur of Shanghai; Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences; 411 Hefei Road Shanghai 200031 China
5. Institute of Clinical Medical Sciences; China-Japan Friendship Hospital; The ministry of Health; 2 East Yinghua Road Beijing 100029 China