[1] Univ Western Ontario, Dept Multiorgan Transplantat, London, ON, Canada
[2] Kings Coll Hosp London, Liver & HPB Surg Unit, London, England
[3] York Teaching Hosp, Dept Bariatr Surg, York, N Yorkshire, England
[4] Hosp Gen Univ Gregorio Maranon, Gen Surg Dept, Liver Transplant Unit, Madrid, Spain
[5] Lourdes Hosp, Dept Surg, Cochin, Kerala, India