1. Department of Infectious Diseases, First Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Shaanxi, China.
2. Key Laboratory of Environment and Genes related to Diseases, Institute of Endemic Diseases, School of Medicine, Xi'an Jiaotong University, Ministry of Education, Shaanxi, China.
3. Department of Hepatobiliary Surgery, First Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Shaanxi, China.
4. Institute of Advanced Surgical Technology and Engineering, Xi'an Jiaotong University, Shaanxi, China.