Received: 24 April 2020
Accepted: 16 August 2020
First Online: 4 September 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Institute of Psychology at University of Szczecin (KB 2/2017). Written informed consent was obtained from all participants.
: Not applicable as there is no image or other confidentiality related issues.
: None of the authors have any competing interests.