1. Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul, 08826, Republic of Korea
2. Hankuk Academy of Foreign Studies, Yongin-si, Gyeonggi-do 17035, Republic of Korea
3. Seoul National University, Seoul 08826, Republic of Korea
4. Biostar Stem Cell Research Institute, R Bio Co., Ltd., Seoul 08506, Republic of Korea