1 Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei, Taiwan; Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan; Department of Medical Research, China Medical University Hospital, Taichung, Taiwan; Female Cancer Foundation, Taipei, Taiwan. Electronic address: phwang@vghtpe.gov.tw.
2 Department of Obstetrics and Gynecology, National Yang-Ming University School of Medicine, Taipei, Taiwan; Institute of Clinical and Community Health Nursing, National Yang-Ming University, Taipei, Taiwan; Department of Obstetrics and Gynecology, Mackay Memorial, Hospital, Taipei, Taiwan; Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan; Department of Biotechnology, Asia University, Taichung, Taiwan; School of Chinese Medicine, College of Chinese Medicine, China; Medical University, Taichung, Taiwan.
3 Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Hsinchu Branch, Hsinchu, Taiwan.