Cai, He
Xie, Jinlin
Shi, Juanzi
Wang, Hui
Article History
Received: 23 September 2021
Accepted: 15 December 2021
First Online: 4 January 2022
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study. This study was approved by the Ethics Review Board of the Northwest Women’s and Children’s Hospital, Xi’an, China (2019013).
: Not applicable since there are no details, images, or videos relating to an individual person.
: The authors declare that there is no conflict of interest.