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Kleynen M, Bleijlevens MH, Beurskens AJ, Rasquin SM, Halfens J, Wilson MR, Masters RS, Lexis MA, Braun SM.Kleynen M, et al. Among authors: rasquin sm.JMIR Res Protoc. 2013 May 17;2(1):e18. doi: 10.2196/resprot.2604.JMIR Res Protoc. 2013.PMID: 23685621Free PMC article.