Liu, Feng
Ma, Guanhui
Tong, Chao
Zhang, Shan
Yang, Xinghua
Xu, Cong
Yang, Weihao
Xia, Guobao
Li, Mingliang
Funding for this research was provided by:
Research Special Fund of Capital Health Development (2018-1-2241)
Article History
Received: 5 July 2021
Accepted: 31 January 2022
First Online: 28 February 2022
Declarations
:
: This study was approved by the Ethics Committee of the Beijing Physical Examination Centre.All participants provided written informed consent. All the methods in the present study were carried out following the ethical guidelines of the 1975 Declaration of Helsinki.
: Not applicable
: The authors declare that they have no competing interests.