Xu, Jingyi
Zhu, Liyue
Liu, Hongyang
Li, Mengye
Liu, Yingshu
Yang, Fan
Pei, Zuowei http://orcid.org/0000-0002-1009-0025
Funding for this research was provided by:
The social development project of public welfare technology (No.2015C33121)
Article History
Received: 2 September 2017
Accepted: 18 July 2018
First Online: 26 July 2018
Ethics approval and consent to participate
: This study was approved by the ethics committee of the affiliated Zhongshan Hospital of Dalian University. Written consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.
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