Zhao, Wen-Tao
Qin, Da-Ping
Zhang, Xiao-Gang
Wang, Zhi-Peng
Tong, Zun
Funding for this research was provided by:
National Natural Science Foundation of China (81560780)
Article History
Received: 9 October 2017
Accepted: 25 January 2018
First Online: 8 February 2018
Ethics approval and consent to participate
: This study was granted an exemption from requiring ethics approval by the ethics committee of the Affiliated Hospital of Gansu University of Chinese Medicine. The authors obtained patient consent before enrolling participants in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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