[1] Univ Turku, Turku Ctr Biotechnol, FIN-20520 Turku, Finland
[2] Abo Akad Univ, FIN-20520 Turku, Finland
[3] Steno Diabet Ctr Copenhagen, DK-2820 Gentofte, Denmark
[4] Univ Helsinki, Helsinki Univ Hosp, Childrens Hosp, FIN-00290 Helsinki, Finland
[5] Univ Helsinki, Res Program Unit, Diabet & Obes, FIN-00290 Helsinki, Finland
[6] Univ Tampere, Fac Med & Life Sci, Tampere 33014, Finland
[7] Pirkanmaa Hosp Dist, Fimlab Labs, Tampere 33014, Finland
[8] Univ Turku, Inst Biomed, Immunogenet Lab, FIN-20520 Turku, Finland
[9] Turku Univ Hosp, Clin Microbiol, Turku 20014, Finland
[10] Univ Turku, Ctr Integrat Physiol & Pharmacol, Inst Biomed, Turku 20014, Finland
[11] Turku Univ Hosp, Dept Pediat, Turku 20521, Finland
[12] Univ Oulu, Med Res Ctr, Dept Pediat, PEDEGO Res Unit, Oulu 90014, Finland
[13] Oulu Univ Hosp, Dept Children & Adolescents, Oulu 90220, Finland
[14] Karolinska Inst, Dept Womens & Childrens Hlth, S-17177 Stockholm, Sweden
[15] Orebro Univ, Sch Sci & Technol, S-70281 Orebro, Sweden
[16] Tampere Univ Hosp, Tampere Ctr Child Hlth Res, Tampere 33520, Finland
[17] Folkhalsan Res Ctr, Helsinki 00290, Finland
[18] Orebro Univ, Sch Med Sci, S-70281 Orebro, Sweden