1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Chungnam National University College of Medicine, Daejeon, Korea.
2. Laboratory of Endocrinology and Immune System, Chungnam National University College of Medicine, Daejeon, Korea.
3. Department of Pathology, Chungnam National University College of Medicine, Daejeon, Korea.
4. Department of Obstetrics and Gynecology, Chungnam National University Hospital, Daejeon, Korea.
5. Department of Obstetrics and Gynecology, Chungnam National University Sejong Hospital, Sejong, Korea.
6. Department of Obstetrics and Gynecology, Chungnam National University College of Medicine, Daejeon, Korea.