Li, Zhen
Li, Aiyuan
Yan, Liping
Yang, Tian
Xu, Wei
Fan, Pengju https://orcid.org/0000-0001-6593-8663
Article History
Received: 19 June 2020
Accepted: 26 October 2020
First Online: 10 November 2020
Ethics approval and consent to participate
: The present study was approved by the Local Ethics Committee of Xiangya Hospital Central South University (Hunan, China). Not applicable for parents.
: All authors give the consent for publication.
: All authors declare that there are no conflicts of interests.