Funding for this research was provided by:
National Natural Science Foundation of China (61201381, 61401513, 61772548)
the China Postdoctoral Science Foundation (2016M592989)
the Self-Topic Foundation of Information Engineering University, China (2016600701)
the Outstanding Youth Foundation of Information Engineering University, China (2016603201)
ORCID
Xin CHEN: http://orcid.org/0000-0002-0562-0319
Publication History
Received: 2017-11-08
Accepted: 2018-02-05
Crosschecked: 2018-07-12
Content Type
: Article
Copyright
: © Zhejiang University and Springer-Verlag GmbH Germany, part of Springer Nature 2018