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Authors
Zhang, Hongfei
Li, Jinglian
Shao, Weiguang
Shen, Naipeng
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Article History
Received: 6 November 2019
Revised: 24 March 2020
Accepted: 16 April 2020
First Online: 10 May 2020
Compliance with ethical standards
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: The authors declare that they have no competing interests.
: Ethical approval was obtained from the Ethics Committee of Affiliated Hospital of Weifang Medical University. Written informed consent was obtained from all individual patients included in the study.
