Liu, Xiangyang
Zhou, Wanming
Fan, Wenmao
Li, Aihua
Pang, Jungang
Chen, Zefang
Li, Xiangmei
Hu, Xiulian
Zeng, Yanmin
Tang, Liangqiu
Funding for this research was provided by:
Shaoguan health and family planning research project (Y19015)
Shaoguan technology bureau project (2019sn014)
Article History
Received: 22 June 2021
Accepted: 14 December 2021
First Online: 17 April 2022
Declarations
:
: The study was approved by the Ethics Committee of Yuebei People's Hospital Affiliated to Shantou University. And all the enrolled subjects provided written informed consent. The administrative permissions were acquired by our team to access the data we used in our study.
: Not applicable.
: The authors have no conflicts of interest to declare.