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Authors
Dai, Guohua
Wang, Ting
Yin, Chuqiang
Sun, Yuanliang
Xu, Derong
Wang, Zhongying
Luan, Liangrui
Hou, Jianwen
Li, Shuzhong
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Funding
Funding for this research was provided by:
Natural Science Foundation of Shandong Province (ZR2016HM31)
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Article History
Received: 15 May 2020
Accepted: 10 August 2020
First Online: 22 August 2020
Ethics approval and consent to participate
: Ethics committee of affiliated hospital of Qingdao university approved a waiver of consent for this retrospective study.
: Written informed consent was obtained from the patient for publication of this research and any accompanying images.
: The authors declare that they have no competing interests.
