International Journal of Behavioral Medicine (2015) - Comment
pubmed: 25031187  doi: 10.1007/s12529-014-9425-3  issn: 1532-7558  issn: 1070-5503 

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Isabell Conrad, Maria Kleinstäuber, Kristine Jasper, Wolfgang Hiller, Gerhard Andersson, Cornelia Weise