Xu, Feng-bo
Cheng, Hong
Yue, Tong
Ye, Nan
Zhang, He-jia
Chen, Yi-pu
Funding for this research was provided by:
Capital Foundation of Medical Developments (CFMD 2018-2-1051, 2011-2006-07)
Capital Research Foundation of Clinical Characteristics (D101100050010017)
Article History
Received: 31 May 2018
Accepted: 13 May 2019
First Online: 30 May 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Beijing Anzhen Hospital (approval number 2018014X). Due to the retrospective nature of the study, this study was performed with an approved waiver of informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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