[1] Royal London Hosp, London E1 1BB, England
[2] St Helier Hosp, London, England
[3] Univ Hosp Birmingham NHS Trust, Birmingham, W Midlands, England
[4] UCL, Diabet & Endocrinol, Royal Free NHS Fdn Trust, London, England
[5] City Hosp, Birmingham, W Midlands, England
[6] Belfast Hlth & Social Care Trust, Belfast, Antrim, North Ireland
[7] Imperial Coll Healthcare NHS Trust, London, England
[8] Guys & St Thomas NHS Fdn Trust, London, England
[9] Kings Coll London, London, England
[10] Univ Glasgow, Glasgow, Lanark, Scotland
[11] West Hertfordshire Hosp NHS Trust, Watford, England
[12] Lister Hosp, ENHIDE, Stevenage, Herts, England
[13] Univ Swansea, Swansea, W Glam, Wales
[14] Heartlands Hosp, Birmingham, W Midlands, England
[15] Warwick Med Sch, Warwick, England
[16] St Georges Univ Hosp NHS Fdn Trust, Renal & Transplant Unit, London, England
[17] St Georges Univ London, MCSRI, London, England
[18] QE2 Hosp Welwyn, ENHIDE, Welwyn Garden City, Herts, England
[19] Univ Hosp Birmingham, Birmingham, W Midlands, England