Funding for this research was provided by:
Postdoctoral fund of Zhejiang Province
Postdoctoral fund of Ningbo City
Zhejiang Provincial Program for Medicine and health (2016KYB262)
Zhejiang Provincial Program for Medicine and health (2017KY575)
Natural Science Foundation of Ningbo (2014A610269)
Text and Data Mining valid from 2018-06-13
Received: 17 October 2017
Revised: 17 April 2018
Accepted: 2 May 2018
First Online: 13 June 2018
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