He, Qing
Wang, Ying
Liu, Zhichao
Xia, Jinrong
Yin, Heng
Qiu, Zhongqing
Wang, Hui
Xu, Wenming
Xu, Zhe
Xie, Jiang
Funding for this research was provided by:
The Science and technology planning project of Sichuan Provinc (2021YJ0170)
Project of Chengdu Science and Technology Bureau (2019-YF05-00498-SN)
Article History
Received: 28 July 2022
Accepted: 2 February 2023
First Online: 14 February 2023
Declarations
:
: The study obtained the consent of the boys's parents or legal guardians and signed written informed consent. And this study was carried out in accordance with the declaration of Helsinki, and was reviewed and approved by the Human Ethics Committee of f the third people’s Hospital. Ethics No.: Ethics of Chengdu Third Hospital [2020] s-112.
: Not applicable (No personal data published.).
: All of the authors declare that they have no conflicts of interests.