1. Treatment and Research Center for Infectious Diseases, 302 Military Hospital of China, Beijing 100039, P.R. China
2. Guangxi AIDS Clinical Treatment Center, The Fourth People's Hospital of Nanning, Nanning, Guangxi 530023, P.R. China
3. The Second Center of Hepatobiliary Surgery Department, 302 Military Hospital of China, Beijing 100039, P.R. China
4. Research Clinical Center for Translational Medicine, 302 Military Hospital of China, Beijing 100039, P.R. China
5. The Fourth Military Medical University, Xian, Shaanxi 710032, P.R. China