1 College of Nursing and Health Sciences, Flinders University, Bedford Park 5042, South Australia, Australia; Department of Hepatology, Royal Adelaide Hospital, SA Health, Adelaide 5000, South Australia, Australia. Electronic address: olga.sukocheva@flinders.edu.au.
2 West China Hospital, Sichuan University, Chengdu 610041, China. Electronic address: jebm_zhang@yahoo.com.