Smoktunowicz, Ewelina http://orcid.org/0000-0002-1748-3876
Lesnierowska, Magdalena
Cieslak, Roman
Carlbring, Per
Andersson, Gerhard
Funding for this research was provided by:
Narodowe Centrum BadaĆ i Rozwoju (I.N.16)
Article History
Received: 19 November 2018
Accepted: 6 May 2019
First Online: 10 June 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Faculty of Psychology at the SWPS University of Social Sciences and Humanities in Warsaw, Poland on 13 February 2018; Opinion no 4/2018. Upon registration, informed consent will be obtained from all study participants.
: The authors declare that they have no competing interests.
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