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Authors
Chai, Yuelong
Li, Kun
Zhang, Chang
Chen, Shihan
Ma, Kuansheng
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81272688)
Social Programs and People’s Livelihood Guarantee Innovation Project of Chongqing (cstc2016shms-ztzx130001)
Clinical Innovation Fund of Southwest Hospital (SWH2015LC02)
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Article History
Received: 24 December 2018
Accepted: 13 May 2019
First Online: 27 May 2019
Ethics approval and consent to participate
: This retrospective study was approved by the ethics committee of Southwest Hospital (Chongqing, China) and conducted in accordance with The Declaration of Helsinki Principles. Written consents to participate in this study were obtained according to the ethics committee of Southwest Hospital (Chongqing, China).
: 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.
