Funding for this research was provided by:
National Natural Science Foundation of China (21472011)
Beijing Technology and Business University
RELATED DATA
IDENTIFIERS
PEER REVIEW METHOD
: Single-blind
PUBLICATION HISTORY
: Received 30 June 2018; Accepted 27 July 2018; Accepted Manuscript published 30 July 2018; Advance Article published 2 August 2018; Version of Record published 21 August 2018