[1] Univ Toronto, Gastroenterol & Hepatol, Toronto, ON, Canada
[2] Univ Toronto, Toronto, ON, Canada
[3] Inst Hlth Policy Management & Evaluat, Toronto, ON, Canada
[4] Univ Toronto, Internal Med, Toronto, ON, Canada
[5] Univ Toronto, Gastroenterol & Hepatol, Toronto, ON, Canada
[6] Univ Toronto, Toronto Ctr Study Liver, Toronto, ON, Canada