1. Department of Veterinary Surgery, College of Veterinary Medicine, Konkuk University, Seoul 05029, Korea.
2. Department of Small Animal Clinical Sciences, University of Florida College of Veterinary Medicine, Gainesville, FL 32611, USA.
3. Department of Companion Animal Health, Yeonsung University, Anyang 14011, Korea.
4. Department of Veterinary Obstetrics and Theriogenology, College of Veterinary Medicine, Konkuk University, Seoul 05029, Korea.
5. Regenerative Medicine Laboratory, Center for Stem Cell Research, Department of Biomedical Science and Technology, Institute of Biomedical Science and Technology, School of Medicine, Konkuk University, Seoul 05029, Korea.
6. KU Center for Animal Blood Medical Science, Konkuk University, Seoul 05029, Korea.