About the Authors
- Xin-Nan Zong
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Affiliation Department of Growth and Development, Capital Institute of Pediatrics, Beijing, China
- Hui Li
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* E-mail: huiligrowth@163.com
Affiliation Department of Growth and Development, Capital Institute of Pediatrics, Beijing, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: HL. Analyzed the data: XNZ. Wrote the paper: XNZ HL.