Zhao, Xuelian
Wang, Lizhu
Quan, Longfang
Funding for this research was provided by:
Qilu Chinese Medicine Advantage Specialist cluster Project.
Article History
Received: 25 May 2022
Accepted: 20 December 2022
First Online: 24 January 2023
Declarations
:
: The NHANES database study was authorized and approved by the National Center for Health Statistics Ethics Review Board. The relevant documents on ethical approval of the NHANES study are available online (ExternalRef removed). We have uploaded the Ethics webpage to the related files. All participants provided written informed consent to participate in this study.
: Not applicable.
: The authors declare that they have no competing interests.