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Marquardt M, Demling JH.Marquardt M, et al. Among authors: demling jh.Psychother Psychosom Med Psychol. 2016 Dec;66(12):473-480. doi: 10.1055/s-0042-117457. Epub 2016 Dec 6.Psychother Psychosom Med Psychol. 2016.PMID: 27923255German.