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Vatakis A, Ulrich R.Vatakis A, et al. Among authors: ulrich r.Acta Psychol (Amst). 2014 Mar;147:1. doi: 10.1016/j.actpsy.2014.01.001. Epub 2014 Feb 5.Acta Psychol (Amst). 2014.PMID: 24507734