Funding for this research was provided by:
National Taiwan University-Yonglin Humane Project (FB004-6, 2018)
Received: 17 June 2020
Accepted: 23 November 2020
First Online: 9 December 2020
Ethics approval and consent to participate
: The study was approved by the Institutional Animal Care and Use Committee of National Taiwan University (NTU108–EL-00015) and conducted by trained professionals. The informed consent for the study was obtained from the animal shelter. No additional permissions were required for sample collection from canines.
: Not applicable. The manuscript does not contain any human data.
: The authors declare that they have no competing interests.