Liu, Fang
Wienke, Cindy
Fiencke, Claudia
Guo, Jianbin
Dong, Renjie
Pfeiffer, Eva-Maria
Funding for this research was provided by:
German Federal Ministry of Education and Research (033RD1102B)
Beijing municipal education commission joint building project
China Scholarship Council
Article History
Received: 8 June 2018
Accepted: 28 August 2018
First Online: 7 September 2018