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Ylösmäki E, Lavilla-Alonso S, Jäämaa S, Vähä-Koskela M, af Hällström T, Hemminki A, Arola J, Mäkisalo H, Saksela K.Ylösmäki E, et al. Among authors: arola j.PLoS One. 2013;8(1):e54506. doi: 10.1371/journal.pone.0054506. Epub 2013 Jan 22.PLoS One. 2013.PMID: 23349911Free PMC article.