[1] Univ Helsinki, Inst Behav Sci, Helsinki, Finland
[2] Univ Helsinki, Helsinki Collegium Adv Studies, Helsinki, Finland
[3] Univ Edinburgh, Endocrinol Unit, Ctr Cardiovasc Sci, Queens Med Res Inst, Edinburgh, Midlothian, Scotland
[4] Helsinki Univ Cent Hosp, HUSLAB & Dept Clin Chem, Helsinki, Finland
[5] Univ Helsinki, Med & Clin Genet & Inst Mol Med Finland, Helsinki, Finland
[6] Oulu Univ Hosp, Oulu, Finland
[7] Univ Oulu, PEDEGO Res Unit, Oulu, Finland
[8] Helsinki Univ Hosp, Helsinki, Finland
[9] Univ Helsinki, Hosp Children & Adolescents, Helsinki, Finland
[10] Natl Inst Hlth & Welf, Helsinki, Finland
[11] Univ Helsinki, Dept Obstet & Gynaecol, Helsinki, Finland
[12] Helsinki Univ Cent Hosp, Helsinki, Finland
[13] Max Planck Inst Psychiat, Dept Translat Res Psychiat, Munich, Germany
[14] Emory Univ, Dept Psychiat & Behav Sci, Sch Med, Atlanta, GA 30322 USA