Xie, Jing
Fan, Long
Xiong, Liya
Chen, Peiyu
Wang, Hongli
Chen, Huan
Zhao, Junhong
Xu, Zhaohui
Geng, Lanlan
Xu, Wanfu
Gong, Sitang
Article History
Received: 16 December 2020
Accepted: 7 July 2021
First Online: 15 July 2021
Declarations
:
: The study was reviewed and approved by Medical Ethics Committee for Clinical Ethical Review of Guangzhou Women and Children’s Medical Center upon the declaration of Helsinki. Written informed consent was given by the caregiver of the child for his clinical records used, which are not publicly available, however, it could be available upon request.
: Not applicable.
: The authors declare that they have no competing interests.