Funding for this research was provided by:
Key Technology Research and Development Program of Shandong (2018YFC2000500)
National Natural Science Foundation of China (81903316, 91857101, 31771481, 81773416)
the 5010 Program for Clinical Researches of the Sun Yat-sen University (2007032)
Westlake University (101396021801)
the Strategic Priority Research Program of the Chinese Academy of Sciences (XDB29020000)
Received: 3 July 2020
Accepted: 13 September 2020
First Online: 8 October 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the School of Public Health at Sun Yat-sen University and Ethics Committee of Westlake University, and all participants provided written informed consent.
: Not applicable.
: The authors declare no conflicts of interest.