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