Funding for this research was provided by:
the National Natural Science Foundation of China (81573708)
the Guangdong Natural Science Funds for Distinguished Young Scholars (2015A030306049)
the Discipline of Integrated Chinese and Western Medicine in Guangzhou University of Chinese Medicine (YN2015MS21, YN2019MJ15)
Special support plan for training high level talents in Guangdong Province (2015TQ01R588)
Article History
Received: 10 November 2018
Accepted: 18 December 2019
First Online: 9 January 2020
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.