1. Department of Obstetrics and Gynecology, Gangnam Severance Hospital; Yonsei University College of Medicine; Seoul Korea
2. Institute of Women's Life Medical Science; Yonsei University College of Medicine; Seoul Korea
3. Department of Obstetrics and Gynecology; Severance Hospital, Yonsei University College of Medicine; Seoul Korea
4. Radiation Oncology Branch, Center for Cancer Research; National Cancer Institute, National Institutes of Health; Bethesda MD
5. Tissue Array Research Program and Applied Molecular Pathology Lab., Laboratory of Pathology, Center for Cancer Research; National Cancer Institute, National Institutes of Health; Bethesda MD
6. Department of Thoracic Surgery; Shiga University of Medical Science; Otsu Japan