1. Nantong Institute of Liver Disease, Nantong Third People's Hospital, Nantong University, Nantong, Jiangsu 226006, P.R. China
2. Department of Pathology, Nantong Third People's Hospital, Nantong University, Nantong, Jiangsu 226000, P.R. China
3. Department of Gerontology, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai 200233, P.R. China
4. Department of Clinical Laboratory, Nantong Third People's Hospital, Nantong University, Nantong, Jiangsu 226000, P.R. China
5. Department of Liver Disease, Wuxi Fifth People's Hospital, Jiangnan University, Wuxi, Jiangsu 214013, P.R. China