Funding for this research was provided by:
National Natural Science Foundation of China (81602141)
Text and Data Mining valid from 2020-02-14
Received: 4 November 2019
Accepted: 4 February 2020
First Online: 14 February 2020
Ethics approval and consent to participate
: All the procedures in this study involving human participants were carried out in accordance with the 1964 Helsinki declaration and its subsequent amendments. The plan was approved by the Ethics Committee of Guangzhou Medical University. The study obtained the informed consent of all participants. In addition, the care and use of experimental animals comply with principles and standards set forth in the Principles for Use of Animals.
: All authors approved the publication of this manuscript.
: The authors declare that they have no competing interests.