Ouyang, Jing
Yuan, Jing
Chen, Yaling
Zeng, Yanming
Harypursat, Vijay
Lu, Yanqiu
Chen, Hui
Chen, Yaokai http://orcid.org/0000-0002-3229-0108
Funding for this research was provided by:
national science and technology major project during the 13th five-year plan period (2018ZX10302104)
medical research project of Chongqing Municipal Health and Family Planning Committee (2016HBRC008)
Basic Research Project of Chongqing Science & Technology Commission (cstc2018jcyjAX0272)
Joint Medical Research Project of Chongqing Science & Technology Bureau and Chongqing Health Commission (2020GDRC010)
Article History
Received: 3 January 2021
Accepted: 9 August 2021
First Online: 23 August 2021
Declarations
:
: The study was approved by the Ethics Committee of Chongqing Public Health Medical Center (Approval Number 2017GWZX007). In the retrospective cohort, the requirement of informed consent from study participants was waived because of the retrospective and anonymized nature of this study. In the prospective cohort, all study participants provided written consent for enrollment before participation. The study was conducted in accordance with the precepts of the declaration of Helsinki.
: Not applicable.
: The authors declare that they have no conflicts of interest.