Ye, Feng https://orcid.org/0000-0002-1176-1038
Chen, Xiao-juan
Guan, Wen-da
Pan, Si-hua
Yang, Zi-feng
Chen, Rong-chang
Article History
Received: 26 December 2017
Accepted: 21 October 2018
First Online: 14 November 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Research Board (IRB) of the First Hospital of Guangzhou Medical University (No: 2014013). Informed consent was obtained from each patient before enrolment.
: Not applicable.
: The authors declare that they have no competing interests.
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