Funding for this research was provided by:
National Natural Science Foundation of China (61303264)
the National Basic Research Program (973) of China (2012CB315906, 0800065111001)
ORCID
Liu LIU: http://orcid.org/0000-0002-6523-1454
Publication History
Received: 2016-06-12
Accepted: 2016-09-14
Crosschecked: 2017-09-15
Content Type
: Article
Copyright
: © Zhejiang University and Springer-Verlag GmbH Germany 2017