Funding for this research was provided by:
National Natural Science Foundation of China (61173185, 61173186)
the Zhejiang Provincial Natural Science Foundation of China (LZ13F020001)
the National Key Technology R&D Program of China (2012BAI34B01)
the Hangzhou S&T Development Plan (20150834M22)
ORCID
Can WANG: http://orcid.org/0000-0002-5890-4307
Publication History
Received: 2016-01-27
Accepted: 2016-06-30
Crosschecked: 2017-11-03
Content Type
: Article
Copyright
: © Zhejiang University and Springer-Verlag GmbH Germany 2017