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Tijdink JK, Smulders YM, Vergouwen AC, de Vet HC, Knol DL.Tijdink JK, et al. Among authors: vergouwen ac.Qual Life Res. 2014 Sep;23(7):2055-62. doi: 10.1007/s11136-014-0643-6. Epub 2014 Feb 13.Qual Life Res. 2014.PMID: 24522963