Dong, Yulei
Liang, Jinqian
Tong, Bingdu
Shen, Jianxiong
Zhao, Hong
Li, Qiyi
Article History
Received: 1 April 2021
Accepted: 20 July 2021
First Online: 9 August 2021
Declarations
:
: The study protocol was approved by the Institutional Review Board of Peking Union Medical College Hospital (ZS-1889). Informed consent was obtained from parent and/or legal guardian for subjects are under 16. All methods were performed in accordance with the relevant guidelines and regulations.
: All patients signed written informed consent forms prior to commencing the study for the publication.
: The author(s) declare(s) that they have no competing interests.