Funding for this research was provided by:
high level university’s medical discipline construction (2016031638)
Shenzhen Science and Technology Project (JSGG 20160301162913683)
Text and Data Mining valid from 2018-06-07
Received: 28 December 2017
Accepted: 30 May 2018
First Online: 7 June 2018
Ethics approval and consent to participate
: All subjects signed an informed consent form. The study was performed according to the Declaration of Helsinki and approved by the Ethics Committee of Shenzhen Second People’s Hospital (approval number 20170512001). Additionally, written consent was obtained from each patient.
: The authors declare that they have no competing interests.
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