Received: 5 February 2021
Accepted: 28 June 2021
First Online: 28 July 2021
: Participation of this study was anonymous and voluntary. The participants were requested to construct a code which made it possible to contact them later for a possible follow-up data-collection. This research was performed in accordance with Helsinki declaration. This study protocol was approved by the Institutional Review Board of Eötvös Loránd University, Budapest, Hungary (no: 2020/134). Informed consent was obtained from all participants.
: Not applicable.
: None of the Authors declared any conflict of interest.