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Authors
Chang, Wenxiu https://orcid.org/0000-0001-6269-5694
Uchida, Shunya
Qi, PingPing
Zhang, Wenyu
Wang, Xichao
Liu, Ying
Han, Yingying
Li, Jinping
Xu, Haiyan
Hao, Jie
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Article History
Received: 16 May 2019
Accepted: 13 July 2019
First Online: 18 July 2019
Compliance with ethical standards
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: The authors have declared that no competing interests exist.
: The present study was approved by the institutional review board (IRB) in the Tianjin First Center Hospital (2015009S) and was executed in accordance with the principle of the Helsinki Declaration.
: Written informed consent was waived for retrospective medical chart review.
