Funding for this research was provided by:
Narodowe Centrum Nauki (NCN 2015/17/B/NZ9/011688)
Received: 21 February 2019
Accepted: 29 May 2019
First Online: 14 June 2019
Ethics approval and consent to participate
: All animal procedures were approved by the Local Animal Care and Use Committee in Olsztyn, Poland (Agreement No. 76/2014/DTN).
: Not applicable.
: The authors declare that they have no competing interests.