Funding for this research was provided by:
National Natural Science Foundation of China (21402115, 21672135, 21975149, 51403122)
Natural Science Foundation of Shaanxi Province (2018JM5086)
Fundamental Research Funds for the Central Universities (GK201902006)
Shaanxi Normal University (18QNGG007)
RELATED DATA
PEER REVIEW METHOD
: Authors can choose between single-blind and double-blind peer review
PUBLICATION HISTORY
: Received 15 January 2020; Accepted 28 January 2020; Accepted Manuscript published 28 January 2020; Advance Article published 4 February 2020; Version of Record published 27 February 2020