[1] NHS Blood & Transplant, Dept Histocompatibil & Immunogenet, Newcastle Upon Tyne NE2 4NQ, Tyne & Wear, England
[2] NHS Blood & Transplant, Dept Histocompatibil & Immunogenet, Sheffield, S Yorkshire, England
[3] NHS Blood & Transplant, Dept Histocompatibil & Immunogenet, Birmingham, W Midlands, England
[4] SNBTS Clin Directorate, Royal Infirm Edinburgh, Edinburgh, Midlothian, Scotland
[5] Churchill Hosp, Oxford Transplant Ctr, Transplant Immunol & Immunogenet Lab, Oxford OX3 7LJ, England
[6] Manchester Royal Infirm, Transplant Lab, Manchester M13 9WL, Lancs, England
[7] Royal London Hosp, Clin Transplantat Lab, London, England
[8] Royal London Hosp, Barts & London NHS Trust, London, England
[9] Harefield Hosp, Heart Sci Ctr, Tissue Typing Lab, Harefield UB9 6JH, Middx, England
[10] Addenbrookes Hosp, Tissue Typing Lab, Cambridge Univ Hosp NHS Fdn Trust, Cambridge, England
[11] Guys Hosp, Clin Transplantat Lab, London SE1 9RT, England