Mi, Yang
Qu, Pengfei
Guo, Na
Bai, Ruimiao
Gao, Jiayi
Ma, Zhengfeei
He, Yiping
Wang, Caili
Luo, Xiaoqin
Article History
Received: 23 November 2020
Accepted: 9 July 2021
First Online: 24 July 2021
Declarations
:
: Our study had been approved by the Ethics Committee of the Northwest Women’s and Children’s Hospital (No.2018018). All procedures were performed according to the Declaration of Helsinki. All patients gave written informed consent.
: Not applicable.
: The authors declared that they have no competing interests.