Funding for this research was provided by:
National Natural Science Foundation of China (81470028)
Fundamental Research Funds for the Central Universities (1508219071)
Science and Technology Innovation Action Plan of Shanghai 2016 (16140900900)
Text and Data Mining valid from 2019-04-02
Received: 10 October 2018
Accepted: 22 March 2019
First Online: 2 April 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Tongji Hospital, Tongji University School of Medicine, and adhered to the tenets of the Declaration of Helsinki. Due to the retrospective nature of the study, informed consent was waived.
: Written informed consent was obtained from the patients for publication of this article and any accompanying images. Copies of the written consents are available for review by the Editor of this journal.
: The authors declare that they have no competing interests.
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