Funding for this research was provided by:
National Natural Science Foundation of China (81671700, 81701706)
Natural Science Foundation of Shanghai (16ZR1426000)
Department of Radiology and Biomedical Imaging, University of California, San Francisco (2017ZZ02005)
Article History
Received: 22 October 2018
Accepted: 7 January 2019
First Online: 18 January 2019
Ethics approval and consent to participate
: The study was approved by Ethics Committee of Shanghai Sixth People’s Hospital. All procedures performed in the study involving human participants were in accordance with the ethical standards of the institutional research committee and the declaration of Helsinki. Formal consent is not required for this type of study.
: Written informed consent was obtained from patients for publication of this article and accompanying images. A copy of the written consent is available for review by Editor-in Chief of this journal.
: The authors declare that they have no competing interests.
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