1. Institute of Basic Medical Sciences College of Medicine, National Cheng Kung University Tainan Taiwan
2. Department of Gynecology and Obstetrics National Cheng Kung University Hospital Tainan Taiwan
3. Department of Physiology College of Medicine, National Cheng Kung University Tainan Taiwan
4. Department of Biomedical Sciences College of Science, National Chung Cheng University Chiayi Taiwan