[1] Univ Manchester, Div Diabet Endocrinol & Gastroenterol, Manchester, Lancs, England
[2] Univ Manchester, Div Pharm & Optometry, Manchester, Lancs, England
[3] Brigham & Womens Hosp, Channing Div Network Med, 75 Francis St, Boston, MA 02115 USA
[4] Harvard Med Sch, Boston, MA 02115 USA
[5] Massachusetts Gen Hosp, Ctr Genom Med, Boston, MA 02114 USA
[6] Royal Blackburn Hosp, Blackburn, Lancs, England
[7] Univ Manchester, Div Cardiovasc Sci, Manchester, Lancs, England
[8] Brigham & Womens Hosp, Dept Med, 75 Francis St, Boston, MA 02115 USA
[9] Harvard Med Sch, Beth Israel Deaconess Med Ctr, Dept Med, Boston, MA 02115 USA
[10] Univ West Indies, Chron Dis Res Ctr CAIHR, Bridgetown, Barbados
[11] Cent Manchester Univ Hosp NHS Fdn Trust, Manchester Diabet Ctr, Manchester, Lancs, England