rui zhou department of infectious diseases, nanfang hospital, southern medical university, guangzhou, china; infectious disease hospital, meng chao hepatobiliary hospital, fujian medical university, fuzhou, china yuan-ping zhou department of infectious diseases, nanfang hospital, southern medical university, guangzhou, china; department of institute of infectious diseases and center of liver diseases, infectious disease hospital, meng chao hepatobiliary hospital, fujian medical university, fuzhou, china. tel: +86-59188116105, fax: +86-59188116105, e-mail:; yuan-ping zhou, department of infectious diseases, nanfang hospital, southern medical university, guangzhou, china. tel: +86-2062787425, fax: +86-2087719653 chun lin infectious disease hospital, meng chao hepatobiliary hospital, fujian medical university, fuzhou, china hai-bing gao infectious disease hospital, meng chao hepatobiliary hospital, fujian medical university, fuzhou, china shui-wen huang infectious disease hospital, meng chao hepatobiliary hospital, fujian medical university, fuzhou, china zu-xiong huang infectious disease hospital, meng chao hepatobiliary hospital, fujian medical university, fuzhou, china

Saro Khemichian Brian Lee Jeffrey Kahn Mazen Noureddin Brian Kim Tammy Harper Yvonne Esmailian Tse-Ling Fong

ehsan aminizadeh department of gastroenterology, tehran university of medical sciences, tehran, ir iran; department of health management and economics, school of public health, tehran university of medical sciences, tehran, ir iran; department of gastroenterology, tehran university of medical sciences, tehran, ir iran. tel: +98-2166831748, fax: +98-2188958935 seyed moayyed alavian research center for gastroenterology and liver disease, baqiyatallah university of medical sciences, tehran, ir iran ali akbari sari department of health management and economics, school of public health, tehran university of medical sciences, tehran, ir iran nasser ebrahimi daryani department of gastroenterology, tehran university of medical sciences, tehran, ir iran bita behnava research center for gastroenterology and liver disease, baqiyatallah university of medical sciences, tehran, ir iran

Norma I Rallón Vincent Soriano Susanna Naggie Clara Restrepo David Goldstein Eugenia Vispo John McHutchison José M Benito