Additive effects of maternal depressive symptoms during pregnancy and three years after childbirth on offspring psychiatric symptoms in early childhood. (November 2015) - Lahti, Marius; Tuovinen, Soile; Pesonen, Anu-Katriina; Savolainen, Katri; Kajantie, Eero; Heinonen, Kati; Lahti, Jari; Villa, Pia; Laivuori, Hannele; Hämäläinen, Esa; Reynolds, Rebecca; Räikkönen, Katri