Liu, Haojie http://orcid.org/0000-0002-2595-6012
Wrage-Mönnig, Nicole
Lennartz, Bernd http://orcid.org/0000-0003-3020-7312
Funding for this research was provided by:
EC | Directorate-General for Employment, Social Affairs and Inclusion | European Social Fund (ESF/14-BM-A55-0028/16, ESF/14-BM-A55-0027/16, ESF/14-BM-A55-0028/16)
Deutsche Forschungsgemeinschaft (DFG-GRK 2000/2)
Article History
Received: 13 April 2020
Accepted: 28 July 2020
First Online: 11 September 2020
Competing interests
: The authors declare no competing interests.