Wang, Jiahui
Qi, Xinye
Shan, Linghan
Wang, Kexin
Tan, Xiao
Kang, Zheng
Ning, Ning
Liang, Libo
Gao, Lijun
Jiao, Mingli
Cui, Yu
Hao, Yanhua
Wu, Qunhong
Li, Ye
Article History
Received: 13 August 2021
Accepted: 14 June 2022
First Online: 29 July 2022
Declarations
:
: National Health Service Survey is organized by National Health Commission of the People’s Republic of China. During the investigation, all participants provided written informed consent. Ethics clearance was obtained from the Medical Ethics Committee at Harbin Medical University. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.