1. College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University, Jeju, Republic of Korea
2. Functional Biomaterials Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup-si, Republic of Korea
3. Department of Animal Science, College of Life Science, Sangji University, Wonju, Republic of Korea
4. Department of Anatomy, Kosin University College of Medicine, Busan, Republic of Korea
5. Department of Veterinary Anatomy and Animal Behavior, College of Veterinary Medicine and BK21 Plus Project Team, Chonnam National University, Gwangju, Republic of Korea