1. Department of Biological Science and Technology; China Medical University; Taichung 404 Taiwan
2. Department of Otolaryngology; China Medical University Hospital; Taichung 404 Taiwan
3. Department of Hematology and Oncology; China Medical University Hospital; Taichung 404 Taiwan
4. Department of Food Science and Biotechnology; National Chung Hsing University; Taichung 402 Taiwan
5. Graduate Institute of Pharmaceutical Chemistry, China Medical University; Taichung 404 Taiwan
6. Department of Biochemistry; China Medical University; Taichung 404 Taiwan
7. Bracco Pharmaceutical Corp. Ltd.; Taipei 104 Taiwan