scientific article
author: Peter Würtz, Terho Lehtimäki, Mika Kähönen, Sirkka Keinänen-Kiukaanniemi, Pekka Mäntyselkä, Mika Ala-Korpela, Antti J Kangas, Markku Laakso, Antti Jula, Mauno Vanhala, Juha Saltevo, Pasi Soininen, Mika Tiainen
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