Funding for this research was provided by:
National Natural Science Foundation of China (81874107, 81572554)
Shandong University (2018JC014)
Text and Data Mining valid from 2019-12-01
Received: 15 October 2019
Accepted: 10 December 2019
First Online: 29 December 2019
Ethics approval and consent to participate
: The present study was approved by the Ethics Committee of Shandong University Qilu Hospital. All procedures involving animals in this study were in accordance with the ethical standards of the Shandong University Clinical Medical College Animal Experiment Ethics Committee. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no conflict of interest.