Xiang, Shiting
Zhao, Sha
Li, Xun
Li, Liping
Xie, Lihua
Kang, Rutong
Zhong, Yan http://orcid.org/0000-0003-1132-5567
Article History
Received: 23 March 2020
Revised: 23 October 2020
Accepted: 28 October 2020
First Online: 13 November 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All authors approved the final manuscript for submission and gave consent for publication.
: This study was approved by the Ethics Committee of the Hunan Children’s Hospital. Informed written consent was obtained from a legal guardian of each child involved in our study.