1. a Institute of Chinese Pharmaceutical Sciences, China Medical College , 91, Hsueh-Shih Road, Taichung, 404, Taiwan
2. b Chung Hwa Institute of Technology , 89, Wen-Hwa 1st Street, Jen-Teh Hsiang, Tainan Hsien, 717, Taiwan
3. c Department of Health Executive Yuan , National Laboratories of Foods and Drugs , 161-2, Kuen-Yang Street, Nankang, Taipei, 115, Taiwan
4. d Department and Institute of Pharmacology, National Yang-Ming University , 155, Sec. 2, Li-Nung Street, Shih-Pai, Pettou, Taipei, 112, Taiwan
5. e Institute of Chinese Pharmaceutical Sciences, China Medical College , 91, Hsueh-Shih Road, Taichung, 404, Taiwan