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van Hoorn F, Campian ME, Spijkerboer A, Blom MT, Planken RN, van Rossum AC, de Bakker JM, Wilde AA, Groenink M, Tan HL.van Hoorn F, et al.PLoS One. 2012;7(8):e42037. doi: 10.1371/journal.pone.0042037. Epub 2012 Aug 2.PLoS One. 2012.PMID: 22876298Free PMC article.