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Authors
Li, Xin
An, Chao
Liu, Fangyi
Cheng, Zhigang
Han, Zhiyu
Yu, Xiaoling
Dong, Linan
Yu, Jie
Liang, Ping
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Funding
Funding for this research was provided by:
National Key R&D Program of China (2017YFC0112000)
National Scientific Foundation Committee of China (81430039, 81627803 and 81801723)
Clinical Research Support Foundation of the Chinese PLA General Hospital. (2017FC-CXYY-3005)
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Article History
Received: 2 December 2018
Accepted: 7 May 2019
First Online: 7 June 2019
Ethics approval and consent to participate
: This retrospective study protocol was approved by the Ethics Committee of the Chinese PLA General Hospital (Beijing, China) and was conducted in accordance with the principles of the Declaration of Helsinki. Consent to participate was obtained from every participant.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
