Li, Yang
Liu, Xia
Zhuang, Xun-hui
Wang, Ming-jun
Song, Xiu-feng
Funding for this research was provided by:
Qingdao Health Science and Technology Development Plan project (2020-WJZD133)
Article History
Received: 21 December 2021
Accepted: 27 May 2022
First Online: 3 June 2022
Declarations
:
: This study was conducted in accordance with the principles of the Declaration of Helsinki. This retrospective study was approved by the Ethics Committees of Qingdao university affiliated Women and Children’s Hospital for using the data, and the informed consent was waved. The research protocol was in compliance with relevant Chinese laws.
: Not applicable.
: The author of this manuscript declares relationship with the following companies: GE Healthcare (MW). Authors with no financial ties to GE Healthcare (YL, XL, XZ, and XS).