Zhang, Jun
Zhang, Wanfu
Zhou, Huihui
Sang, Lin
Liu, Lina
Sun, Yuanyuan
Gong, Xue
Guan, Hao
Yu, Ming http://orcid.org/0000-0001-9935-4412
Article History
Received: 8 September 2021
Accepted: 30 November 2021
First Online: 15 December 2021
Declarations
:
: The ultrasound examined used in this study is a completely noninvasive method, and all participants were aware and willing to participate in the study, so they provided oral informed consents. All the procedures described in this study were conducted in accordance with the Declaration of Helsinki and International Council for Harmonisation/Good Clinical Practice Guidelines approved by the institutional review board.
: Not applicable.
: The authors declare that they have no competing interests.