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Pelle AJ, Pedersen SS, Szabó BM, Denollet J.Pelle AJ, et al. Among authors: denollet j.Qual Life Res. 2009 Aug;18(6):689-98. doi: 10.1007/s11136-009-9485-z. Epub 2009 May 9.Qual Life Res. 2009.PMID: 19430927Free PMC article.