Funding for this research was provided by:
China National Funds for Distinguished Young Scientists (81201893)
Text and Data Mining valid from 2019-08-13
Received: 22 April 2019
Accepted: 4 August 2019
First Online: 13 August 2019
Ethics approval and consent to participate
: All of the patients who provided samples were well informed about the use of samples and informed consents were also signed. Meanwhile, the present study was approved by the Research Ethics Committee of the Xiamen University in accordance with the ethical guidelines of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.