1 Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Obstetrics and Gynecology, National Yang-Ming University, Taipei, Taiwan.
2 Female Cancer Foundation, Taipei, Taiwan; Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Obstetrics and Gynecology, National Yang-Ming University, Taipei, Taiwan.
3 Department of Obstetrics and Gynecology, National Yang-Ming University, Taipei, Taiwan; Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei, Taiwan; Immunology Center, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Medical Research, China Medical University Hospital, Taichung, Taiwan. Electronic address: phwang@vghtpe.gov.tw.