Funding for this research was provided by:
Narodowe Centrum Nauki (DEC-2013/09/N/NZ8/03211)
Text and Data Mining valid from 2019-01-30
Received: 22 July 2018
Revised: 6 December 2018
Accepted: 17 January 2019
First Online: 30 January 2019
Compliance with ethical standards
: All applicable institutional and/or national guidelines for the care and use of animals were followed. Permit number: dnr 37-15 issued by Jordbruksverket, Sweden.
: The authors declare that they have no conflict of interest.