scientific article published on January 2016
author: Sirkka Keinänen-Kiukaanniemi, Tuija Tammelin, Riikka Ahola, Raija Korpelainen, Timo Jämsä, Anna-Maiju Leinonen, Karl-Heinz Herzig, Janne Kulmala, Juha Auvinen
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