Funding for this research was provided by:
National Natural Science Foundation of China (81470575)
Text and Data Mining valid from 2019-08-27
Received: 21 May 2019
Accepted: 16 August 2019
First Online: 27 August 2019
Ethics approval and consent to participate
: This study was approved by the Human Research Committee of Shandong Provincial Hospital affiliated to Shandong University. Procedures were carried out in accordance with the Declaration of Helsinki, and informed consent was obtained for experimentation with human subjects. All procedures with animals were approved by the Animal Care and Use Committee of Shandong Provincial Hospital and were conducted following the institutional guidelines.
: Not applicable.
: The authors declare that they have no competing interests.