Zhang, Li-Na
Lu, An-Xin
Lin, Yin
Li, Jing
Xu, Xi
Yan, Chong-Huai
Zhang, Lin https://orcid.org/0009-0000-2511-8011
Article History
Received: 8 July 2023
Revised: 13 June 2024
Accepted: 13 July 2024
First Online: 17 August 2024
Competing interests
: The authors declare no 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.