Funding for this research was provided by:
Hungarian Scientific Research Fund (105763, 100904)
Received: 3 November 2016
Accepted: 29 January 2018
First Online: 7 February 2018
: The authors declare that they have no competing interests.
: All animal experiments were conducted according to the ethical standards of the Animal Health Care and Control Institute Csongrád County, Hungary. The protocol was approved by the Committee of the Animal Health Care and Control Institute Csongrád County, Hungary (permit No. XVI/03047–2/2008).
: Not applicable.
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