Funding for this research was provided by:
National Natural Science Foundation of China (21290180, 21472210, 21672243)
Youth Innovation Promotion Association of the Chinese Academy of Sciences (2012202)
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COPYRIGHT AND LICENSING
: The Partner Organisations have an exclusive publication licence for this journal
PEER REVIEW METHOD
: Single-blind
PUBLICATION HISTORY
: Received 17 September 2017; Accepted 3 October 2017; Accepted Manuscript published 11 October 2017; Advance Article published 18 October 2017; Version of Record published 30 January 2018