Funding for this research was provided by:
Guangzhou Science, Technology and Innovation Commission (201604020119)
Guangdong Science and Technology Department (2014A020212534)
Department of Health of Zhejiang Province (2016KYA0005)
Text and Data Mining valid from 2019-09-21
Received: 22 March 2019
Accepted: 10 September 2019
First Online: 21 September 2019
Ethics approval and consent to participate
: Not applicable.
: I give my consent for publication on behalf of all authors and patients involved.
: The authors declare that they have no competing interests.