1. Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
2. School of Medicine, Chung Shan Medical University, Taichung, Taiwan
3. Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung, Taiwan
4. Department of Medical Research, Chung Shan Medical University Hospital
5. Institute of Medical and Molecular Toxicology, Chung Shan Medical University