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