Yue, Yu
Liu, Xianmao
Yi, Shu
Liu, Bo
Yi, Hong
Li, Hong
Article History
Received: 10 October 2021
Accepted: 22 April 2022
First Online: 11 May 2022
Declarations
:
: All of the study protocols conformed to the Tenets of the Declaration of Helsinki and the research protocols were approved by the Committee of Ethics in Chongqing People’s Hospital. Written informed consent was obtained from a parent or guardian for all participants under 16 years old. Ethical approval number: KYS2021-011–01.
: Not applicable.
: I declare that the authors have no competing interests as defined by BMC, or other interests that might be perceived to influence the results and/or discussion reported in this paper.