Funding for this research was provided by:
National Science Centre Poland (No 2016/21/N/NZ7/03329)
Funds for young investigators from the University of Zielona Gora (No 222267/E-545/S/2019)
Received: 21 July 2020
Accepted: 2 March 2021
First Online: 22 March 2021
: All participants were informed of the aim of the study and gave their written consent for participation in the project The protocol of the study was approved by The Bioethics Commission at Regional Medical Chamber Zielona Gora, Poland (N<sup>o</sup>01/66/2017, N<sup>o</sup>21/103/2018) in accordance with the Helsinki Declaration.
: Not applicable.
: The authors declare that they have no competing interests.