scientific article published on 20 January 2012
author: Vesa Oikonen, Juhani Knuuti, Anne Roivainen, Antti Saraste, Tiina Saanijoki, Tuula Tolvanen, Miikka Tarkia, Christoffer Stark, Tommi Vähäsilta, Timo Savunen, Marjatta Strandberg, Mika Teräs
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