Funding for this research was provided by:
Vrije Universiteit Brussel (SRP30 (Strategic Research Program SRP-Growth))
Fonds Wetenschappelijk Onderzoek (12O1517N)
Received: 16 November 2020
Accepted: 10 September 2021
First Online: 26 September 2021
: For all sampled dogs, written owner consents were obtained. This study does not include any animal experiments according to Belgian (Art. 2.6 of the Belgian Law of May 4th 1995; Annex VII, Belgian Law of May 29th 2013) and European legislation (European Convention for the protection of Vertebrate animals used for experimental and other scientific purposes). Sampling has been conducted in agreement with the Ethical Committee of Animal Experiments of Vrije Universiteit Brussel (Project 16-634-3).
: Not applicable.
: The authors declare that they have no competing interests.