Wang, Chaohong
Tang, Junxiang
Tong, Keting
Huang, Daoqi
Tu, Huayu
Zhu, Jiansheng
Article History
Received: 20 January 2022
Revised: 14 April 2022
Accepted: 24 April 2022
First Online: 17 May 2022
Competing interests
: The authors declare no competing interests.
: The study was approved by the Hospital Ethics Committee of Anhui Maternity and Child Health Care Hospital. Each patient signed informed consent prior to study enrollment.