Funding for this research was provided by:
National Natural Science Foundation of China (NSFC, Grant No. 21075007)
Program for New Century Excellent Talents in University (NCET-11-0563)
Beijing Nova Program (Z161100004916045)
IDENTIFIERS
PEER REVIEW METHOD
: Single-blind
PUBLICATION HISTORY
: Received 2 September 2017; Accepted 26 November 2017; Advance Article published 11 December 2017; Version of Record published 21 December 2017