Gai, Litao
Ma, Wen-Xiu
Li, Mingchu
Funding for this research was provided by:
National Natural Science Foundation of China (61572095, 61877007, 11371326, 11301331, 11371086, 11571079, 51771083)
National Science Foundation (DMS-1664561)
Natural Science Fund for Colleges and Universities of Jiangsu Province (17KJB110020)
Emphasis Foundation of Special Science Research on Subject Frontiers of CUMT (2017XKZD11)
Article History
Received: 6 January 2020
Accepted: 21 February 2020
First Online: 20 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.