Gao, Ming
Zhu, Bin
Xu, Zhe
Liu, Shujun
Liu, Jiajia
Zhang, Guojun
Gao, Yang
Fan, Yubo
Kang, Xixiong http://orcid.org/0000-0002-0996-4653
Article History
Received: 29 May 2018
Accepted: 25 September 2018
First Online: 5 October 2018
Ethics approval and consent to participate
: Ethics approval for this study was obtained from the Ethics Committee of Beijing Tiantan Hospital, Capital Medical University in China (No: KY2014–021-02). The study conformed to the principles of the Declaration of Helsinki. Written informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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