1. Department of Veterinary Medicine, National Chung Hsing University, 402 Taichung, Taiwan
2. Agricultural Biotechnology Research Center, Academia Sinica, 128 Academia Road, Section 2, Nankang, 115 Taipei, Taiwan
3. Research Center, China Medical University and Hospital, Graduate Institute of Clinical Medical Sciences, China Medical University, 40402 Taichung, Taiwan
4. Institute of Zoology, National Taiwan University, 10617 Taipei, Taiwan
5. Department of Life Sciences, National Chung Hsing University, 402 Taichung, Taiwan