Funding for this research was provided by:
National Natural Science Foundation of China (81570843H1204)
Medical Science and Technology Foundation of Guangdong Province (2013B20400003)
Article History
Received: 17 September 2019
Revised: 2 October 2020
Accepted: 7 October 2020
First Online: 19 October 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.