Yang, Zhou
Chunhua, Guo
Huayan, Yuan
Jianguo, Yang
Yong, Cheng
Article History
Received: 29 May 2018
Accepted: 21 September 2018
First Online: 5 October 2018
Ethics approval and consent to participate
: This study was approved by the ethics committee of clinical research of Chongqing Medical University (CMU-2016501a).
: Informed consent was obtained from the patients for publication of this paper and any accompanying images.
: The authors declare that they have no competing interests.
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