Funding for this research was provided by:
Received: 13 October 2017
Accepted: 12 February 2018
First Online: 21 February 2018
Ethics approval and consent to participate
: The protocol was reviewed and approved by the Committee of Research Ethics of the University of Murcia, Spain. All dog owners gave their written informed consent.
: Not applicable
: SS is an employee of Bioiberica S.A.U., Barcelona, Spain. LF and JC work as scientific consultants for Bioiberica S.A.U.
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