Song, Jukun
Chen, Chi
He, Song
Chen, Weiming
Su, Jiaming
Yuan, Dongbo
Sun, Fa
Zhu, Jianguo
Funding for this research was provided by:
the Science and Technology Plan Project of Guiyang in 2019 ([2019]2-15)
Article History
Received: 11 June 2019
Accepted: 12 March 2020
First Online: 2 May 2020
Ethics approval and consent to participate
: NHANES protocol approved by the NCHS Research Ethics Review Board and obtained informed consent from all participants.
: Not applicable.
: The authors declare that they have no competing interests.