1 Department of Stem Cell and Regenerative Biotechnology, KU Fusion Science and Technology Institute, Konkuk University, Seoul, South Korea.
2 Lab. of Theriogenology, College of Veterinary Medicine, Chungnam National University, Daejeon, South Korea.
3 Research Institute of Veterinary Medicine, Chungnam National University, Daejeon, South Korea.
4 Legorreta Cancer Center, Department of Pathology and Laboratory Medicine, Warren Alpert Medical School, Brown University, Providence, RI, United States.