1. Natural
Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
2. Chinese
Medicine Research and Development Center, China Medical University and Hospital, Taichung 40402, Taiwan
3. School
of Pharmacy, China Medical University, Taichung 404, Taiwan
4. Research
Center for Drug Discovery, National Yang-Ming University, Taipei 112, Taiwan
5. PhytoHealth Corporation,
Maywafa Biopharma Group, Taipei 105, Taiwan