1. Department of Neuroscience and Medical Research Institute, School of Medicine, Ewha Womans University, Seoul, Korea
2. Department of Chemistry, Yonsei University, Seoul, Korea
3. Center for Drug Discovery Technologies, Korea Research Institute of Chemical Technology, Yuseong-gu, Daejon, Korea
4. National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, USA
5. Department of Neuroscience and Inam Neuro Science Research Center, Wonkwang University Sanbon Medical Center, Sanbondong, Gunpocity, Kyunggido, South Korea