1. Institute of Biological Sciences, National Sun Yat-sen University, Kaohsiung 804, Taiwan
2. Department of Obstetrics and Gynaecology, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan
3. Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung 804, Taiwan
4. Institute of Biopharmaceutical Sciences, National Sun Yat-sen University, Kaohsiung 804, Taiwan
5. Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 804, Taiwan
6. Department of Obstetrics and Gynaecology, National Yang-Ming University School of Medicine, Taipei 112, Taiwan
7. Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei 112, Taiwan
8. Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan