Funding for this research was provided by:
National Natural Science Foundation of China (81670439)
The Science and Technology Program of Guangzhou, China (201607010188, 201710010056)
Text and Data Mining valid from 2020-03-23
Received: 22 October 2019
Accepted: 6 January 2020
First Online: 23 March 2020
Ethics approval and consent to participate
: All works were approved by ethic committee of the First Affiliated Hospital, Sun Yat-sen University, with patients’ informed consents collected.
: Consents for publication were obtained from all individuals involved in our study.
: The authors declare that they have no competing interests.