1. Department of Laboratory Medicine, Institute of Wonkwang Medical Science, Wonkwang University School of Medicine, Iksan, Korea.
2. Department of Internal Medicine, Institute of Wonkwang Medical Science, Wonkwang University School of Medicine, Iksan, Korea.
3. Department of Obstetrics & Gynecology, Wonkwang University School of Medicine, Iksan, Korea.
4. Department of Radiology, Wonkwang University School of Medicine, Iksan, Korea.