1. Department of Internal Medicine, Raphael Hospital, Daegu, Republic of Korea.
2. Division of Endocrinology and Metabolism, Department of Internal Medicine, Yeungnam University College of Medicine, Daegu, Republic of Korea.
3. Department of Surgery, Raphael Hospital, Daegu, Republic of Korea.
4. Department of Nuclear Medicine, and Raphael Hospital, Daegu, Republic of Korea.
5. Department of Pathology, Raphael Hospital, Daegu, Republic of Korea.