Funding for this research was provided by:
Natural Science Foundation of Ningbo (2017A610146)
The Natural Science Foundation of Zhejiang Province (Y13H070008)
Text and Data Mining valid from 2019-05-16
Received: 29 November 2018
Accepted: 29 April 2019
First Online: 16 May 2019
Ethics approval and consent to participate
: The study was approved by ethics committee of The Affiliated Hospital of Medical School.
: The study was undertaken with the patient’s consent.
: The authors declare that they have no competing interests.
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