Funding for this research was provided by:
Narodowe Centrum Nauki (2014/15/B/NZ9/02134, 2016/21/N/NZ9/01195)
Received: 7 April 2020
Accepted: 28 May 2020
First Online: 4 June 2020
Ethics approval and consent to participate
: The research protocol was approved by the Local Ethics Committee (number 966/2015). All participants gave their written informed consent.
: Not applicable.
: The authors declare that they have no conflicts of interest.