Guo, Xiaosu
Cui, Junzhao
Zhao, Yue
Han, Weixin
Zou, Yueli
Gao, Ruiping
Li, Qing
Li, Xiaoqing
He, Junying
Article History
Received: 26 July 2018
Accepted: 4 March 2019
First Online: 9 March 2019
Ethics approval and consent to participate
: This study was approved by the ethical committee of the Second Hospital of Hebei Medical University. The written informed consent was signed and obtained from each patient before use of their personal information for research purposes.
: The subjects gave written informed consent for the publication of any associated data and accompanying images.
: The authors declare that they have no competing interests.
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