Funding for this research was provided by:
the National Science and Technology Support Program of China (2012BAJ18B02)
Article History
Received: 27 September 2017
Accepted: 22 January 2018
First Online: 30 January 2018
Ethics approval and consent to participate
: Data collection in this study was approved by the Ethics Commission of China Medical University. The patients included in this study provided signed informed consent.
: No images, videos or other personal data of the participants are included in this manuscript.
: The authors have declare that they have no competing interests.
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