[1] Univ London Imperial Coll Sci Technol & Med, Renal Sect, Div Med, Fac Med,Hammersmith Hosp, London W12 0NN, England
[2] Tufts Univ New England Med Ctr, Div Nephrol, Boston, MA USA
[3] Birmingham Heartlands Hosp, Birmingham B9 5ST, W Midlands, England
[4] Inst Med Sci, Dept Med & Therapeut, Aberdeen, Scotland
[5] Univ Edinburgh, Sch Med, Ctr Inflammat Res, Edinburgh, Midlothian, Scotland
[6] Brigham & Womens Hosp, Div Renal, Boston, MA 02115 USA
[7] Univ Birmingham, Sch Med, MRC, Ctr Immune Regulat, Birmingham, W Midlands, England
[8] Oxford Radcliffe Hosp, Renal Unit, Oxford, England
[9] Southmead Gen Hosp, Renal Unit, Bristol, Avon, England
[10] Univ London St Georges Hosp, Sch Med, Div Renal Med, London SW17 0RE, England
[11] Belfast City Hosp, Renal Unit, Belfast BT9 7AD, Antrim, North Ireland