[1]Univ Hlth Network, Toronto Ctr Liver Dis, Toronto, ON, Canada;
[2]Erasmus Univ, Med Ctr Rotterdam, Dept Gastroenterol & Hepatol, Toronto, ON, Canada;
[3]Erasmus Univ, Med Ctr Rotterdam, Dept Gastroenterol & Hepatol, Rotterdam, Netherlands;
[4]Univ Toronto, Inst Hlth Policy Management & Evaluat, Toronto, ON, Canada;
[5]Jiaotong Univ, Dept Infect Dis, Ruijin Hosp, Shanghai, Peoples R China;
[6]Fudan Univ, Dept Hepatitis Dis, Shanghai Publ Hlth Clin Ctr, Shanghai, Peoples R China;
[7]Zhongshan Hosp, Dept Gastroenterol & Hepatol, Shanghai, Peoples R China;
[8]Cerrahpasa Med Fac, Istanbul, Turkey