Funding for this research was provided by:
Uniwersytet Medyczny w Bialymstoku (N/ST/ZB/16/002/3317, N/ST/MN/18/002/3317)
Received: 17 September 2020
Accepted: 13 May 2021
First Online: 29 June 2021
Change Date: 10 July 2021
Change Type: Update
Change Details: In Authors Contribution section, the initials KK should be KS
: The study protocol was approved by the Bioethics Committee of the Medical University of Białystok, approval number R-I-002/110/2016. Participants gave their informed consent before taking part in the study.
: Not applicable.
: The authors declare that they have no competing interests.