Yao, Maolin
Zeng, Qibing
Luo, Peng
Sun, Baofei
Liang, Bing
Wei, Shaofeng
Xu, Yuyan
Wang, Qingling
Liu, Qizhan
Zhang, Aihua
Funding for this research was provided by:
The National Natural Science Foundations of China (81430077, U1812403, 81730089)
Article History
Received: 2 February 2021
Accepted: 30 April 2021
First Online: 7 May 2021
Declarations
:
: The proposal for this population-based study was reviewed and approved by the Ethics Committee of Guizhou Medical University (No 201403001).
: Not applicable.
: The authors declare no competing interests.