Funding for this research was provided by:
Narodowe Centrum Nauki (015/19/B/NZ8/02061)
Article History
Received: 29 March 2020
Accepted: 11 August 2020
First Online: 15 August 2020
Ethics approval and consent to participate
: The protocol used to recruit participants and collect data, prepared in accordance with declaration of Helsinki, was approved by Ethics Committee of Lower Silesian Chamber of Physicians (DIL, Wrocław, Poland) (document nr 2/BO/2016). The general purpose of the study was explained and written consent was obtained for participation in the study and use of data for scientific purposes from all participants.
: Not applicable.
: The authors declare that there is no conflict of interest regarding the publication of this article.