[1] Univ Cambridge, Natl Inst Hlth Res NIHR Cambridge Biomed Res Ctr, Cambridge, England
[2] Univ Cambridge, NIHR Blood & Transplant Res Unit BTRU Organ Donat, Cambridge, England
[3] Newcastle Univ, Newcastle Upon Tyne, Tyne & Wear, England
[4] NHSBT, Manchester, Lancs, England
[5] NHS Blood & Transplant, Organ Donat & Transplantat Directorate, Manchester, Lancs, England
[6] Queen Elizabeth Hosp, Liver Unit, Birmingham, W Midlands, England
[7] Royal Infirm Edinburgh NHS Trust, Hepat Pancreaticobiliary Surg Serv, Edinburgh, Midlothian, Scotland
[8] Royal Infirm Edinburgh NHS Trust, Edinburgh Transplant Unit, Edinburgh, Midlothian, Scotland