Xu, Jun-Peng
Zeng, Rui-Xiang
Zhang, Yu-Zhuo
Lin, Shan-Shan
Tan, Jia-Wei
Zhu, Hai-Yue
Mai, Xiao-Yi
Guo, Li-Heng
Zhang, Min-Zhou
Article History
Received: 10 October 2022
Revised: 9 December 2022
Accepted: 28 December 2022
First Online: 27 January 2023
Compliance with ethical standards
:
: The authors declare no competing interests. All authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
: This study was approved by the ethics review board of the National Center for Health Statistics and written informed consents were obtained from each participant.