[1] Univ Toronto, Toronto Ctr Liver Dis, Toronto, ON, Canada
[2] Univ Toronto, THETA Collaborat, Toronto, ON, Canada
[3] Univ Toronto, Inst Hlth Policy Management & Evaluat, Toronto, ON, Canada
[4] Univ Toronto, Dept Med, Toronto, ON, Canada
[5] Ohio State Univ, Wexner Med Ctr, Columbus, OH 43210 USA
[6] Erasmus MC Univ Med Ctr, Rotterdam, Netherlands
[7] Univ Toronto, Dept Gen Surg, Toronto, ON, Canada