[1] Queens Univ Belfast, Sch Med & Dent, Dept Epidemiol & Publ Hlth, Belfast BT12 6BJ, Antrim, North Ireland
[2] Norwegian Inst Publ Hlth, Div Epidemiol, Oslo, Norway
[3] Norwegian Inst Publ Hlth, Div Epidemiol, Oslo, Norway
[4] Univ Oslo, Fac Med, Oslo, Norway
[5] Charles Univ Prague, Sch Med 2, Prague, Czech Republic
[6] Steno Diabet Ctr, DK-2820 Gentofte, Denmark
[7] Univ Oxford, Dept Publ Hlth, Oxford, England
[8] Univ Leeds, Paediat Epidemiol Grp, Leeds, W Yorkshire, England
[9] Riga Stradins Univ, Dept Epidemiol & Publ Hlth, Riga, Latvia
[10] Childrens Diabet Ctr, Sofia, Bulgaria
[11] Kaunas Univ Med, Inst Endocrinol, Kaunas, Lithuania
[12] Univ Belgrade, Sch Med, Inst Epidemiol, Belgrade, Serbia
[13] Med Univ Vienna, Dept Paediat, Vienna, Austria
[14] N Paulescu Inst Diabet, Nutr & Metab Dis Clin, Bucharest, Romania
[15] Univ Lecce, Dept Social Sci & Commun, I-73100 Lecce, Italy
[16] Pediat Clin, Luxembourg, Luxembourg
[17] Rigshosp, Bartholin Inst, DK-2100 Copenhagen, Denmark