1. Division of Molecular Medicine, Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
2. West China School of Clinical Medicine, Sichuan University, Chengdu, People's Republic of China.
3. Department of Hepatic Surgery and Liver Transplant Center, West China Hospital, Sichuan University, Chengdu, People's Republic of China.