1. School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
2. Department of Pharmacognosy-Phytochemistry, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
3. Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan
4. Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599-7568, United States
5. Duke University Medical Center, Durham, North Carolina 27710, United States
6. Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung 401, Taiwan