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van der Valk JP, Gerth van Wijk R, Dubois AE, de Groot H, Reitsma M, Vlieg-Boerstra B, Savelkoul HF, Wichers HJ, de Jong NW.van der Valk JP, et al.PLoS One. 2016 Mar 11;11(3):e0151055. doi: 10.1371/journal.pone.0151055. eCollection 2016.PLoS One. 2016.PMID: 26967158Free PMC article.