Julmi, Christian https://orcid.org/0000-0002-7368-7814
Funding for this research was provided by:
FernUniversität in Hagen
Article History
Received: 16 May 2019
Revised: 22 January 2020
Accepted: 24 January 2020
First Online: 5 February 2020
Interessenkonflikt
: C. Julmi gibt an, dass kein Interessenkonflikt besteht.