Zhao, Lizhong
Zhang, Xiaorui
Chen, Yongjie
Wang, Yuan
Zhang, Weihua
Lu, Wenli
Funding for this research was provided by:
National Natural Science Foundation of China (72074166)
Article History
Received: 2 June 2020
Accepted: 28 February 2021
First Online: 9 March 2021
Declarations
:
: The study was approved by the Health Bureau of Tianjin City. All participants provided written informed consent before enrolment.
: Not applicable.
: The authors declare that they have no competing interests.