Funding for this research was provided by:
National Natural Science Foundation of China (21566016, 11561071)
National Natural Science Foundation of China (81860668)
Yunnan Applied Basic Research Project (2018FB065)
Article History
Received: 5 March 2019
Accepted: 22 June 2019
First Online: 28 June 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.