Liu, Hongming
Tian, Ye
Luo, Guangheng
Su, Zhiyong
Ban, Yong
Wang, Zhen
Sun, Zhaolin
Funding for this research was provided by:
National Science Foundation of China (No. 81860141)
Science and Technology Foundation of Guizhou Province (No. [2021]378)
Health and Family Planning Commission of Guizhou Province Foundation (No. 2017-1-032)
Article History
Received: 13 June 2021
Accepted: 29 November 2021
First Online: 6 December 2021
Declarations
:
: The study was carried out in accordance with the Helsinki Declaration. This was a retrospective study that received approval by the Hospital Ethics Committee of GuiZhou Provincial People's Hospital, and written informed consent was obtained (No. 2018054).
: Not applicable.
: The authors declare that they have no competing interest.