1. Department of Pathology, Catholic University of Daegu School of Medicine, Daegu, Korea.
2. Department of Pathology, Goodsamaritan Hospital, Pohang, Korea.
3. Department of Nuclear Medicine, Catholic University of Daegu School of Medicine, Daegu, Korea.
4. Department of Breast and Thyroid Surgery, Catholic University of Daegu School of Medicine, Daegu, Korea.