Zhang, Kaizhi
Tang, Yan
Liu, Rui
Zheng, Zebing
Tang, Chengyan
Liu, Yuanmei
Jin, Zhu
Funding for this research was provided by:
National Natural Science Foundation of China (81760099, 81760099, 81760099, 81760099, 81760099, 81760099)
the Science and Technology Planning Project of Zunyi city, Guizhou Province of China ([2019]104, [2019]104, [2019]104, [2019]104, [2019]104, [2019]104)
Article History
Received: 29 June 2022
Accepted: 29 December 2022
First Online: 6 February 2023
Declarations
:
: The study protocol was approved by the Affiliated Hospital of Zunyi Medical University.Written informed consent was obtained from all parents prior to the interview and data were reported anonymously. All methods were performed in accordance with the relevant guidelines and regulations(for example; Helsinki declarations/national/institutional guidelines) by including a statement in the ethics approval and consent to participate section.
: Not applicable.
: The authors have declared that no competing interests exist.