Received: 29 January 2020
Accepted: 24 April 2020
First Online: 24 June 2020
Ethics approval and consent to participate
: The experimental protocol was designed according to the guidelines of the current European Directive (2010/63/EU) on the care and protection of animals used for scientific purposes and approved by the Ethical Committee of the Department of Veterinary Sciences of the University of Turin (Italy) (Ref. Ref. 2, 28/06/2016).
: Not applicable.
: The authors declare that they have no competing interests.