Funding for this research was provided by:
National Natural Science Foundation of China (81901306, 81672225)
Huxiang High-Level Talent Gathering Project of Hunan Province (2019RS1011)
Article History
Received: 29 March 2020
Revised: 18 May 2020
Accepted: 19 May 2020
First Online: 24 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The manuscript does not contain clinical studies or patient data.