1. Center for Uterine Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Gyeonggi, Republic of Korea.
2. Department of Obstetrics and Gynecology, Yangsan Hospital, Pusan National University, Pusan, Republic of Korea.
3. Center for Thyroid Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Gyeonggi, Republic of Korea.