Funding for this research was provided by:
Young Scientists Fund (81601248)
Article History
Received: 23 January 2019
Accepted: 11 February 2020
First Online: 19 February 2020
Ethics approval and consent to participate
: All procedures performed in the study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the ethics committee of Renmin Hospital of Wuhan University.
: Not applicable.
: The authors declare that they have no conflict of interest.