Funding for this research was provided by:
National Natural Science Foundation of China (11401373, 61402281, 11601322)
the Zhejiang Provincial Natural Science Foundation, China (LY16F020020)
ORCID
Lian ZHOU: http://orcid.org/0000-0001-7137-0162
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Publication History
Received: 2017-07-09
Accepted: 2017-09-13
Crosschecked: 2017-12-20
Content Type
: Article
Copyright
: © Zhejiang University and Springer-Verlag GmbH Germany 2017