Received: 15 December 2020
Accepted: 7 March 2021
First Online: 18 March 2021
: 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 legal guardians.
: Additional informed consent was obtained from all legal guardians for whom identifying information is included in this article.
: Author JT.F. and CW.L. are employees of United Imaging Research. The other authors working at Sun-Yat Sen University Cancer Center have full control of the data and declare that they have no conflict of interest.