1. Graduate Institute of Natural Products,
College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
2. Department of Chemistry, Vinh University, Vinh City 182, Vietnam
3. Graduate
Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
4. Department
of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan
5. School of Pharmacy, College of Pharmacy, China Medical University, Taichung 404, Taiwan
6. Center of General Studies, National Kaohsiung Marine University, Kaohsiung 811, Taiwan
7. Institute of Pharmaceutical Biology, Technische Universität Braunschweig, 38106 Braunschweig, Germany
8. Translational Research Center and Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
9. Chinese Medicine Research and Development Center, China Medical University Hospital, Taichung 404, Taiwan
10. Center for Molecular Medicine, China Medical University Hospital, Taichung 404, Taiwan