Guo, Jian
Zhuang, Peijun
Liu, Kun
Wan, Yuanyuan
Wang, Xuan
Article History
Received: 9 November 2020
Accepted: 14 January 2021
First Online: 8 February 2021
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Children’s Hospital of Fudan University (Ref: 2016189) on 27/09/2016. The study was performed according to the Declaration of Helsinki Criteria, and this manuscript adheres to the CONSORT guidelines. All of the patients’ parents or guardians gave their written informed consent for the patients to participate in the study.
: Not applicable.
: The authors declare no competing interests.