Funding for this research was provided by:
National Natural Science Foundation of China (31670615, 31270664)
Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Erasmus+ Program of the Europen Union (586247-EPP-1-2017-1-IT-EPPKA2- CBHE-JP)
Article History
Received: 14 August 2019
Accepted: 2 December 2019
First Online: 2 January 2020