Liao, Rui http://orcid.org/0000-0002-0057-2792
Tang, Pei-Yuan
Song, Jun-Feng
Qin, Ke-Le
Wang, Xun
Yan, Xiong
Funding for this research was provided by:
National key clinical specialist construction Programs of China (2012-649)
Article History
Received: 20 November 2017
Accepted: 14 November 2018
First Online: 26 November 2018
Ethics approval and consent to participate
: This study was approved by the Ethics Review Committee of the First Affiliated Hospital of Chongqing Medical University. The informed consent was obtained from all participants, as we asked permission from the patients before data collection. The procedures followed were in accordance with the ethical standards of Helsinki Declaration.
: Not applicable.
: The authors declare that they have no competing interests.
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