Lang, Stefan http://orcid.org/0000-0003-2426-4644
Hoelter, Philip
Schmidt, Manuel
Eisenhut, Felix
Kaethner, Christian
Kowarschik, Markus
Lücking, Hannes
Doerfler, Arnd
Article History
Received: 8 May 2019
Accepted: 28 August 2019
First Online: 9 October 2019
Conflict of interest
: S. Lang, P. Hoelter, S. Manuel, F. Eisenhut, C. Kaethner, M. Kowarschik, H. Lücking and A. Doerfler declare that they have no competing interests.