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Authors
Song, Tian
Li, Xindi
Liu, Yonghong
Zhang, Xinghu
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Funding
Funding for this research was provided by:
Youth Research Fund of Beijing Tiantan Hospital (201403011)
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Article History
Received: 17 August 2017
Accepted: 16 October 2018
First Online: 30 October 2018
Ethics approval and consent to participate
: Written informed consent was obtained from all patients or their legal representatives, and this study was approved by the Ethics Committee of Beijing Tiantan Hospital.
: 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.
