Received: 31 January 2021
Accepted: 1 July 2021
First Online: 26 July 2021
: Use of animals in this study adhered to the Association for Research in Vision and Ophthalmology (ARVO) statement on the use of animals in ophthalmic and vision research. The animal use protocol was approved and monitored by the North Carolina State University Institutional Animal Care and Use Committee (IACUC) (Protocol # 18–164-0). The North Carolina State University Veterinary Hospital Board approved the protocol for evaluation of clinical patients in this study. Owners of dogs signed and provided informed consent for all sample collections and data collection. The study was carried out in compliance with the ARRIVE guidelines.
: All authors consent to publication.
: The authors declare that they have no competing interests.