*Kyu Ri Hahn1, Woosuk Kim1,2, Hyo Young Jung1, Dae Young Yoo3, Jung Hoon Choi4, Yeo Sung Yoon1, In Koo Hwang1
(1.Department of Anatomy and Cell Biology, College of Veterinary Medicine, and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, South Korea, 2.Department of Biomedical Science and Research Institute for Bioscience and Biotechnology, Hallym University, Chuncheon 24252, Republic of Korea, 3.Department of Anatomy, College of Medicine, Soonchunhyang University, Cheonan 31151, South Korea, 4.Department of Anatomy, College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, South Korea)