1. Department of Hepatobiliary Surgery, Henan Provincial People's Hospital, Zhengzhou, China.
2. People's Hospital of Zhengzhou University, Zhengzhou, China.
3. Clinical Laboratory, Henan Provincial People's Hospital, Zhengzhou, China.
4. Intensive Care and Treatment Unit, Henan Provincial People's Hospital, Zhengzhou, China.
5. Key Laboratory of Environment and Genes Related to Diseases, Education Ministry, Xi'an Jiaotong University School of Medicine, Shaanxi, China.