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Authors
Hongyu, Chu
Haowen, Xue
Xiepeng, Zuo
Kehui, Wu
Kailiang, Cheng
Yanyan, Yang
Qing, Han
Youqiong, Li
Jincheng, Wang
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Article History
Received: 3 March 2020
Accepted: 23 April 2020
First Online: 2 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This retrospective study was approved by the Ethics Committee of the Second Hospital of Jilin University (No. 202 in 2018), and the methods were carried out in accordance with the approved guidelines.
: This study was retrospective, and it did not alter the management of the patients. Thus, no specific consent was required by any of the authors.
