1. Division of Obstetrics and Gynecology, Tri-Service General Hospital Songshan Branch; National Defense Medical Center; Taipei Taiwan
2. Department of Obstetrics and Gynecology, Tri-Service General Hospital; National Defense Medical Center; Taipei Taiwan
3. Department of Medical Sciences, Tri-Service General Hospital; National Defense Medical Center; Taipei Taiwan
4. Department of Obstetrics and Gynecology, Shuang Ho Hospital; Taipei Medical University; New Taipei City Taiwan
5. Department of Obstetrics and Gynecology, School of Medicine, College of Medicine; Taipei Medical University; Taipei Taiwan
6. Department of Life Sciences, Department and Graduate Institute of Biochemistry, Tri-Service General Hospital; National Defense Medical Center; Taipei Taiwan
7. School of Public Health; National Defense Medical Center; Taipei Taiwan
8. Department of Pathology, Tri-Service General Hospital; National Defense Medical Center; Taipei Taiwan
9. Department of Nursing, Tri-Service General Hospital; National Defense Medical Center; Taipei Taiwan