Funding for this research was provided by:
medical health science and technology project of zhejiang provincial health commission (20202H065)
planned projects of bureau of science and technology of zhoushan (2020C31048)
Article History
Received: 21 July 2021
Revised: 6 November 2021
Accepted: 8 November 2021
First Online: 20 November 2021
Declarations
:
: Corresponding authors declare on behalf of all the authors that there is no conflict of interest.
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of Zhoushan Hospital (Date 27 May 2021/ No.20210013).
: The clinical and radiological data were retrospectively retrieved from existing datasets. The data were anonymized before analysis. Informed consent form was waived by local ethics committee.