[1] Univ Bristol, Populat Hlth Sci, Bristol, England
[2] Univ Hosp Bristol & Weston NHS Fdn Trust, Dept Liver Med, Bristol, England
[3] Univ Hosp Bristol & Weston NHS Fdn Trust, Dept Gastroenterol, Bristol, England
[4] North Bristol NHS Trust, Southmead Hosp, Bristol, England
[5] Univ Bristol, Acad Womens Hlth Unit, Translat Hlth Sci, Bristol, England
[6] Univ Hosp Bristol & Weston NHS Fdn Trust, Hepatol, Bristol, England
[7] Univ Hosp Bristol & Weston NHS Fdn Trust, Liver Med, Bristol, England