Zhang, Jing
Yang, Ying
Niu, Xueyang
Chen, Jiaoyang
Sun, Wei
Ding, Changhong
Dai, Lifang
Zhang, Liping
Zeng, Qi
Chen, Yi
Tian, Xiaojuan
Yang, Xiaoling
Ji, Taoyun
Yang, Zhixian
Yang, Yanling
Jiang, Yuwu
Zhang, Yuehua
Funding for this research was provided by:
Key Research Project of the Ministry of Science and Technology of China (2016YFC0904400 and 2016YFC0904401)
The capital health research and development of special (2016-1-2011)
Article History
Received: 13 April 2020
Accepted: 4 August 2020
First Online: 2 September 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Peking University First Hospital. Parental written informed consent was obtained for all children enrolled in this study.
: Not applicable.
: The authors declare that they have no competing interests.