- Correspondence to Professor Jia-Da Li, Central South University School of Life Sciences, Changsha, 410078 Hunan, China; ; Professor Ruizhi Zheng, Department of Endocrinology, Henan Provincial People’s Hospital, Zhengzhou, China;
- Received December 17, 2019
- Revised February 13, 2020
- Accepted March 9, 2020
- First published May 10, 2020.
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