1. Department of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, Korea.
2. Department of Nuclear Medicine, Chung-Ang University College of Medicine, Korea.
3. Division of Endocrinology and Metabolism, Department of Internal Medicine, The Catholic University of Korea College of Medicine, Korea.
4. Department of Nuclear Medicine, Korea Institute of Radiological & Medical Sciences, Korea.
5. Department of Internal Medicine, Seoul National University College of Medicine, Korea.
6. Department of Surgery, Seoul National University College of Medicine, Korea.
7. Thyroid Cancer Center, Gangnam Severance Hospital, Yonsei University College of Medicine, Korea.
8. Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Korea.
9. Korea Institute of Nuclear Safety, Korea.
10. Division of Endocrinology, Department of Internal Medicine, Chungnam National University School of Medicine, Korea.
11. Department of Nuclear Medicine, Seoul National University College of Medicine, Korea.
12. Department of Internal Medicine, Sungkyunkwan University School of Medicine, Korea.
13. Department of Surgery, Wonju College of Medicine, Yonsei University, Korea.