1. Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Korea;
2. Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology, Daejeon, Korea;
3. Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Korea;
4. New Drug Development Center, Osong Medical Innovation Foundation, Cheongju, Korea