1. Department of Surgery, Wonkwang University College of Medicine, Iksan, Korea.
2. Genome Research Center for Immune Disorders, Wonkwang University College of Medicine, Iksan, Korea.
3. Department of Radiology, Wonkwang University College of Medicine, Iksan, Korea.
4. Department of Pathology, Wonkwang University College of Medicine, Iksan, Korea.