Woydt, Lina
Bernhard, Michael
Kirsten, Holger
Burkhardt, Ralph http://orcid.org/0000-0003-1924-1202
Hammer, Niels
Gries, André
Dreßler, Jan
Ondruschka, Benjamin
Article History
Received: 17 May 2018
Accepted: 15 August 2018
First Online: 24 August 2018
Competing Interests
: The authors declare no competing interests.