Funding for this research was provided by:
Natural Science Foundation of Hunan Province (S2019JJKWLH0198)
Text and Data Mining valid from 2020-04-06
Received: 19 February 2020
Accepted: 24 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical committee of Xiangya Hospitial. The committee’s reference number is 202002022. A written consent statement was obtained from all individual participants.
: Informed consent was obtained from all individual participants included in the study.
: The authors declare that they have no competing interests.