[1] Univ Hosp Birmingham, Dept Nephrol & Transplantat, Renal Inst Birmingham, Birmingham, W Midlands, England
[2] Royal Devon & Exeter, Nephrol, Exeter, Devon, England
[3] Queens Univ Belfast, Nephrol Res Grp, Belfast, Antrim, North Ireland
[4] Heidelberg Univ, Dept Transplantat Immunol, Heidelberg, Germany
[5] Univ Oxford, Oxford Ctr Diabet Endocrinol & Metab, Oxford, England
[6] Natl Blood Serv, Birmingham, W Midlands, England