[1] Univ Tampere, Sch Med, FIN-33101 Tampere, Finland
[2] Pirkanmaa Hosp Dist, Fimlab Labs, Tampere, Finland
[3] Univ Helsinki, Childrens Hosp, Helsinki, Finland
[4] Univ Helsinki, Cent Hosp, Childrens Hosp, Helsinki, Finland
[5] Univ Helsinki, Diabet & Obes Res Program, Helsinki, Finland
[6] Folkhalsan Res Ctr, Helsinki, Finland
[7] Tampere Univ Hosp, Dept Pediat, Tampere, Finland