1. Department of Biochemistry, Soonchunhyang University College of Medicine, Cheonan 31151, Republic of Korea
2. Department of Biochemistry, BK21FOUR Project2, College of Medicine, Soonchunhyang University, Cheonan 31151, Republic of Korea
3. Medical Science Research Institute, Soonchunhyang University Seoul Hospital, Seoul 04401, Republic of Korea
4. Stembio Ltd., Asan 31538, Republic of Korea