Funding for this research was provided by:
National Basic Research Program of China (2014CB965102)
Research Grants Council, University Grants Committee (17105319)
Received: 12 October 2020
Accepted: 2 December 2020
First Online: 7 January 2021
: All animal experiments conform to the guidelines from Directive 2010/63/EU of the European Parliament on the protection of animals used for scientific purposes and were approved by the Committee on the Use of Live Animals in Teaching and Research (Ref.4560-17) at the University of Hong Kong.
: Not applicable.
: The authors declare that they have no competing interests.