[1] Royal Free London Hosp, Clin Serv Hepatopancreatobiliary Surg & Liver Tran, Natl Hlth Serv Fdn Trust, London NW4 2QG, England
[2] Royal Free London Hosp, Dept Anaesthesia & Intens Care Med, Natl Hlth Serv Fdn Trust, London NW4 2QG, England
[3] Royal Free London Hosp, Royal Free Perioperat Res Grp, Natl Hlth Serv Fdn Trust, London, England
[4] UCL, Div Surg & Intervent Sci, London, England
[5] King Faisal Specialist Hosp & Res Ctr, Organ Transplant Ctr Excellence, Riyadh, Saudi Arabia
[6] Univ Valencia, Hosp Univ & Politecn La Fe, Liver Unit, Ciberehd,Inst Invest Sanitaria La Fe, Valencia, Spain
[7] Bharat Inst Higher Educ & Res, Inst Liver Dis & Transplantat, Dr Rela Inst, Med Ctr, Chennai, India