Funding for this research was provided by:
Università degli Studi di Torino (Es. fin. 2015-2016-2017)
Martini Group (Premio Iller Campani)
Received: 6 November 2018
Accepted: 24 January 2019
First Online: 19 February 2019
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 Animal Welfare and Ethical Committee of the Department of Veterinary Sciences of the University of Turin (Italy) (Ref. 2, 28/06/2016).
: Not applicable.
: The authors declare that they have no competing interests.