[1] Univ Hosp Coventry & Warwickshire NHS Trust, Renal Unit, Coventry, W Midlands, England
[2] Natl Hlth Serv Blood & Transplant, Stat & Clin Studies Organ Donat & Transplant, Bristol, Avon, England
[3] Queen Elizabeth Hosp, Renal Unit, Birmingham, W Midlands, England
[4] Heartlands Hosp, Renal Unit, Birmingham, W Midlands, England
[5] Univ Warwick, Unit Acad Primary Care, Coventry, W Midlands, England
[6] Primary Care, Birmingham, W Midlands, England
[7] Univ Hosp Coventry & Warwickshire NHS Trust, Stat, Coventry, W Midlands, England