[1] Univ Manchester, Sch Med, Manchester, Lancs, England
[2] Univ Manchester, Manchester Acad Hlth Sci Ctr, Manchester, Lancs, England
[3] Salford Royal Hosp, Dept Diabet & Endocrinol, Salford, Lancs, England
[4] Walsall Manor Hosp, Dept Blood Sci, Walsall, W Midlands, England
[5] Keele Univ, Inst Appl Clin Sci, Keele, Staffs, England
[6] Inst Politecn Nacl, Med Sch, Mexico City, DF, Mexico
[7] St Peters Coll, Oxford, England
[8] Univ Warwick, Warwick Med Sch, Warwick, England
[9] Res Consortium, Andover, England
[10] Natl Diabet Audit, Leeds, W Yorkshire, England