Funding for this research was provided by:
Strategic priority Research Program of the Chinese Academy of Sciences (3-2-2-1 XDA2003020201)
Article History
Received: 26 August 2018
Accepted: 24 April 2020
First Online: 16 May 2020
Compliance with ethical standards
:
: This manuscript has not been published or presented elsewhere in part or in entirety and is not under consideration by another journal. We have read and understood your journal’s policies, and we believe that neither the manuscript nor the study violates any of these. There are no conflicts of interest to declare.