1. Stem Cell Research Center, Korea Research Institute of Bioscience and Biotechnology, Yusong, Taejon, Republic of Korea
2. Department of Biochemistry, College of Natural Sciences, Chungnam National University, Taejon, Republic of Korea
3. Department of Life Science, Sookmyung Women's University, Yongsan-Gu, Seoul, Republic of Korea
4. Division of Molecular Life Sciences and College of Pharmacy, Ewha Women's University, Seoul, Republic of Korea
5. Department of Pathology, College of Medicine, Chungnam National University, Taejon, Republic of Korea