Stimpel, Bernhard http://orcid.org/0000-0002-0573-9838
Syben, Christopher
Würfl, Tobias
Breininger, Katharina
Hoelter, Philip http://orcid.org/0000-0001-9768-9630
Dörfler, Arnd
Maier, Andreas http://orcid.org/0000-0002-9550-5284
Article History
Received: 7 June 2019
Accepted: 25 November 2019
First Online: 11 December 2019
Competing interests
: The authors declare no competing interests.