Werner, Steffen http://orcid.org/0000-0002-3938-2961
Akoto-Danso, Edmund Kyei
Manka’abusi, Delphine
Steiner, Christoph
Haering, Volker
Nyarko, George
Buerkert, Andreas
Marschner, Bernd
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (031A242-B)
Article History
Received: 17 October 2017
Accepted: 25 March 2019
First Online: 11 April 2019