Funding for this research was provided by:
The Natural and Science Foundation of Hubei Province (2013CFB125)
Text and Data Mining valid from 2018-12-01
Received: 1 December 2017
Accepted: 22 November 2018
First Online: 3 December 2018
Ethics approval and consent to participate
: This study is conducted in accordance with the Declaration of Helsinki, and all procedures were approved by the Ethics Board of Tongji Medical College, Huazhong university of Science and Technology (ID 2012S311). All participants provided informed consent with an electronic signature.
: Not applicable.
: The authors declare that they have no competing interests.
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