1. Laboratory of Theriogenology, College of Veterinary Medicine, Chungnam National University, Daejeon, Republic of Korea.
2. Research Institute of Veterinary Medicine, Chungnam National University, Daejeon, Republic of Korea.
3. Department of Life Sciences, Incheon National University, Incheon, Republic of Korea.
4. Korea Basic Science Institute (KBSI), Ochang, Republic of Korea.