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Authors
Ma, Ruiqing
Wang, Bing
Zhai, Xichao
Lu, Yiyan
Xu, Hongbin
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Article History
Received: 23 September 2019
Accepted: 25 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: This is a retrospective study, and all the patients signed the consent for treating before the treatment. Additionally, the participants have given the consent for their images. The study was approved by the Ethic committee of Aerospace Central Hospital, Beijing, China (no.20161109-ST-07).
: Written informed consent was given by the participants, and all the participants have given the consent for their images.
: The authors declare no conflict of interest.
