Wang, Haoyu
Li, Zhao
Guo, Xiaofan
Chen, Yintao
Chang, Ye
Chen, Shuang
Sun, Yingxian http://orcid.org/0000-0003-2334-8512
Article History
Received: 8 January 2018
Accepted: 3 May 2018
First Online: 8 May 2018
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of China Medical University. All procedures were performed in accordance with ethical standards. All subjects gave written informed consent in accordance with the Declaration of Helsinki.
: The authors declare that they have no competing interests.
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