[1] Univ Cambridge, Cambridge Inst Med Res, JDRF WF Diabet & Inflammat Lab, Cambridge CB2 2XY, England
[2] Univ Washington, Sch Med, Virginia Mason Res Ctr, Mol Genet Program, Seattle, WA USA
[3] Univ Washington, Sch Med, Dept Immunol, Seattle, WA USA
[4] Univ Birmingham, Birmingham Heartlands Hosp, Div Med Sci, Birmingham B9 5SS, W Midlands, England
[5] Univ Birmingham, Queen Elizabeth Hosp, Div Med Sci, Birmingham B9 5SS, W Midlands, England
[6] Natl Publ Hlth Inst, Diabet & Genet Epidemiol Unit, Helsinki, Finland
[7] Univ Helsinki, Dept Publ Hlth, Helsinki 00300, Finland
[8] Univ Cagliari, Dipartimento Sci Biobediche & Biotecnol, Cagliari, Italy
[9] Inst Diabet Nutr & Metab Dis N Paulescu, Diabet Clin, Bucharest, Romania
[10] Paediat Epidemiol Grp, Unit Epidemiol & HSR, Leeds, W Yorkshire, England
[11] Univ Bristol, Royal Hosp Sick Children, Inst Child Hlth, Bristol, Avon, England