[1] Barts Hlth NHS Trust, London, England
[2] Queen Mary Univ London, London, England
[3] Royal Sussex Cty Hosp, Brighton, E Sussex, England
[4] Royal Berkshire Hosp, Berkshire Kidney Unit, Reading, Berks, England
[5] Univ Hosp Bristol NHS Fdn Trust, Richard Bright Renal Serv, Bristol, Avon, England
[6] Cardiff & Vale Univ Hlth Board, Dept Nephrol & Transplant, Cardiff, Wales
[7] Univ Hosp Birmingham, Birmingham, W Midlands, England
[8] Gloucestershire Hosp NHS Fdn Trust, Gloucestershire Hosp, Gloucester, England
[9] Oxford Univ Hosp, Oxford, England
[10] Cardiff & Vale Univ Hlth Board, Cardiff, Wales
[11] Univ Hosp Bristol NHS Fdn Trust, Bristol, Avon, England
[12] Buckinghamshire NHS Trust, Amersham, England
[13] Oxford Univ Hosp, Oxford Kidney Unit, Oxford, England
[14] Univ Oxford, CAMS Oxford Inst, Nuffield Dept Med, Oxford, England