Sun, Junfang
Weng, Bowen
Zhang, Xiaoyue
Chu, Xiaoyun
Cai, Cheng
Funding for this research was provided by:
National Natural Science Foundation of China (81571467, 81571467, 81571467, 81571467, 81571467)
Article History
Received: 7 June 2021
Accepted: 15 October 2021
First Online: 24 October 2021
Declarations
:
: This is a retrospective study. There is no need to recruit subjects, and the informed consent of previous subjects cannot be obtained objectively. This study does not involve personal privacy. The Ethics Committee of Shanghai Children's Hospital has approved the waiver of informed consent. The study protocol was approved by Ethics Committee of Shanghai Children’s Hospital (2015RY009-F01), all methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest, or non-financial interest in the subject matter or materials discussed in this manuscript.