Funding for this research was provided by:
National Natural Science Foundation of China (31371293, 31801182)
Natural Science Foundation of Jilin Province (20190103068JH, 20180101236JC)
Postdoctoral Research Foundation of China (2018M630313, 2018T110239)
Article History
Received: 14 November 2018
Revised: 13 April 2019
Accepted: 29 April 2019
First Online: 4 May 2019
Ethics
: Compliance with ethical standards
: The authors declare no conflict of interest.