Klima, Stefan
Grunert, Ronny
Ondruschka, Benjamin
Scholze, Mario
Seidel, Thomas http://orcid.org/0000-0002-3127-1693
Werner, Michael
Hammer, Niels
Article History
Received: 5 July 2018
Accepted: 15 October 2018
First Online: 29 October 2018
Competing Interests
: The authors declare no competing interests.