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Authors
Lu, Jia
Xia, Qing
Yang, Tuanfeng
Qiang, Jun
Liu, Xianzeng
Ye, Xun
Wang, Rong
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Article History
Received: 28 May 2019
Accepted: 13 November 2019
First Online: 13 January 2020
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of Beijing Tiantan Hospital (No. KY2016-048-01).
: Not applicable
: The authors declare that they have no competing interests.
