- Correspondence to Dr Cheol Ryong Ku, Endocrinology, Institute of Endocrine Research, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea; ; Dr Arthur Cho, Department of Nuclear Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea;
- Received April 13, 2020
- Revised November 4, 2020
- Accepted November 5, 2020
- First published November 18, 2020.
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