1. Institute of Medicine, Chung Shan Medical University, Taichung
2. School of Medicine, Chung Shan Medical University, Taichung
3. Department of Obstetrics and Gynecology, Changhua Christian Hospital, Changhua
4. Institute of Oral Sciences, Chung Shan Medical University, Taichung
5. Department of Dentistry, Chung Shan Medical University Hospital, Taichung
6. Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung
7. Department of Medical Research, Chung Shan Medical University Hospital, Taichung