Funding for this research was provided by:
National Natural Science Foundation of China (31660582)
Science and Technology Department of Qinghai Province (2018-NK-102)
High level innovative thousand talents program of Qinghai Province (2016)
Article History
Received: 7 May 2020
Revised: 24 August 2020
Accepted: 18 September 2020
First Online: 25 September 2020
Compliance with ethical standards
:
: We have no conflicts of interest associated with this publication.
: Not applicable.
: The manuscript has been read and approved by all named authors.
: Not applicable.