1. Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
2. Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
3. Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
4. Department of Biological Science and Technology, Meiho University, Pingtung, Taiwan