Funding for this research was provided by:
LMU-CVM Intramural Program (17GP001)
Received: 24 December 2019
Accepted: 22 June 2020
First Online: 30 June 2020
Ethics approval and consent to participate
: This study was conducted on blood samples previously collected for medical surveillance under a protocol that was approved by the Institutional Animal Care and Use Committee at the Lincoln Memorial University. All sample collections were handled in strict accordance with U.S. Animal Welfare Act, its amendments and associated Regulations (https://www.nal.usda.gov/awic/animal-welfare-act). Memoranda of Understanding (MOUs) established between all parties provided informed consent for collection of blood samples and analysis of clinical disease.
: Not applicable.
: The authors declare that they have no competing interests.