Funding for this research was provided by:
European Regional Development Fund (GINOP-2.3.2-15-2016-00005)
H2020 Marie Skłodowska-Curie Actions (Grant agreement number: 645740)
Received: 19 March 2020
Accepted: 30 August 2020
First Online: 10 September 2020
Ethics approval and consent to participate
: All respondents of this study were approached via online market research panels by the companies SZLEM Service L. P. and Český Národní Panel Ltd. and were fully anonymous to all the authors of the study. Written informed consent for the study was obtained from all the respondents prior the study by SZLEM Service L. P. and Český Národní Panel Ltd. The study was approved by the Scientific Research and Ethics Committee of the Medical Research Council in Hungary (ETT TUKEB 55703–2/2017/EKU) and by the Ethics Committee of the Czech University Hospital Hradec Kralove in Czechia (Ref. number: 201802 S14P). For the Slovak ethical approval, the Ethics Committee of the Ministry of Health and the Ethics Committee of the University of Kosice were contacted. Both committees stated that non-interventional studies and market research studies do not require ethics approval. Regarding the Polish ethical approval, the Bioethics Committee of the Ministry of Health was contacted which also stated that non-interventional studies and market research studies do not require ethics approval.
: Not applicable.
: The authors declare that they have no competing interests.