1. Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea.
2. Center for Gynecologic Cancer, National Cancer Center, Goyang, Korea.
3. Department of Pathology, Seoul National University College of Medicine, Seoul, Korea.
4. Korea Central Cancer Registry, National Cancer Center, Goyang, Korea.
5. Division of Cancer Registration and Surveillance, National Cancer Control Institute, National Cancer Center, Goyang, Korea.
6. Department of Cancer Control and Policy, National Cancer Center Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Korea.
7. Rare & Pediatric Cancer Branch and Immuno-oncology Branch, Division of Rare and Refractory Cancer, Research Institute, National Cancer Center, Goyang, Korea.