1. Institution of Hepatology; First Affiliated Teaching Hospital; School of Medicine; Xi'an Jiaotong University; Xi'an City Shaanxi province China
2. Xi'an Health School; Xi'an City Shaanxi province China
3. Centre of Liver Diseases; Fourth Military Medical University; First Affiliated Teaching Hospital; Xi'an City Shaanxi China
4. Xi'an Eighth Hospital Affiliated to Xi'an Jiaotong University; Xi'an City Shaanxi province China
5. Department of Infectious Diseases; First Affiliated Hospital; School of Medicine; Xi'an Jiaotong University; Xi'an City Shaanxi province China