Rek, Mengleang
Ziyat, Nabila Ibn
Chen, Rui
Xu, Xixing
Mekonnen, Tenbite Daniel
Belay, Filimon Asseged
Babuhija, Mohamad Ramadhani
Ngov, Pheng
Wang, Shuai
Kong, Fanlei
Funding for this research was provided by:
the National Natural Science Foundation of China (718040094)
China Postdoctoral Science Foundation (2016 M592161)
Natural Science Foundation of Shandong Province (ZR2016GB02)
Shandong Provincial Postdoctoral Science Foundation (201603021)
Fundamental Research Funds for the Central Universities (2022KJGL01)
Article History
Received: 2 June 2025
Accepted: 2 December 2025
First Online: 11 December 2025
Declarations
:
: The study was conducted in accordance with the Declaration of Helsinki and was approved by the National Ethics Committee for Health Research (NECHR, Ministry of Health reference number (No. 3/5 NCHR). Written informed consent was obtained from the parents or legal guardians of all participants, and oral assent was obtained from each participant before conducting the survey.
: Not applicable.
: The authors declare no competing interests.