Funding for this research was provided by:
the National Key R&D Program of China (No. 2018YFB1307800)
National Natural Science Foundation of China (No. 51775367)
Tianjin Science and Technology Plan Project (No. 18PTLCSY00080, No. 20201193, No. 18YFSDZC00010)
Received: 24 November 2021
Accepted: 27 January 2022
First Online: 8 February 2022
: The authors have no relevant financial or non-financial interests to disclose.
: This article used anonymous data from an existing collection of CT scans and does not contain any studies with human participants performed by any of the authors. Informed consent for this type of study is not required. The authors have no potential conflict of interest.