International Journal of Behavioral Medicine (2009) - Comment
pubmed: 19125336  doi: 10.1007/s12529-008-9001-9  issn: 1532-7558  issn: 1070-5503 

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Petra A. Karsdorp, Merel Kindt, Simon Rietveld, Walter Everaerd, Barbara J.M. Mulder