1. Department of Surgery, Yonsei University College of Medicine, Seoul, Korea.
2. Hereditary Cancer Clinic of Cancer Prevention Center, Yonsei Cancer Center, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
3. Cancer Prevention Center, Yonsei Cancer Center, Seoul, Korea.
4. Institute of Women's Life Medical Science, Women's Cancer Clinic, Department of Obstetrics and Gynecology, Yonsei University College of Medicine, Seoul, Korea.
5. Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea.
6. Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea.