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van den Bergh MR, Spijkerman J, Swinnen KM, François NA, Pascal TG, Borys D, Schuerman L, Ijzerman EP, Bruin JP, van der Ende A, Veenhoven RH, Sanders EA.van den Bergh MR, et al. Among authors: ijzerman ep.Clin Infect Dis. 2013 Feb;56(3):e30-9. doi: 10.1093/cid/cis922. Epub 2012 Nov 1.Clin Infect Dis. 2013.PMID: 23118268Free PMC article.Clinical Trial.