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Authors
Cui, Yun
Lu, Shi-yuan
Xu, Jie
Peng, Yan-shen
Miao, Qi
Wang, Xiao-qing
Chen, Xiao-yu https://orcid.org/0000-0002-1259-629X
Ran, Zhi-hua
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81670497)
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Article History
Received: 4 July 2019
Accepted: 5 December 2019
First Online: 30 December 2019
Ethics approval and consent to participate
: This study was approved by the research ethics committee of the Shanghai Jiaotong University. Individual consent was not necessary according to local ethical regulation in a retrospective investigation based on the hospital data management system as performed here.
: Not applicable.
: The authors declare that they have no competing interests.
