Funding for this research was provided by:
Zhejiang University Research Foundation (K17-518052-002)
Text and Data Mining valid from 2018-12-01
Received: 8 May 2018
Accepted: 13 December 2018
First Online: 27 December 2018
Ethics approval and consent to participate
: This study was conducted with the approval of the Shaoxing Hospital Institutional Review Board. Written informed consent was obtained from all participants. All study procedures were carried out in accordance with the ethical standards of the Helsinki Declaration.
: Not applicable.
: All authors declared no conflict of interest.
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