Freyhardt, Patrick http://orcid.org/0000-0001-9705-8513
von Beckerath, Olga
Dörbecker, Ralf
Schott, Peter
Aufmesser-Freyhardt, Birgit
Katoh, Marcus
Kröger, Knut
Article History
Received: 17 August 2018
Accepted: 14 December 2018
First Online: 2 January 2019
Compliance with Ethical Standards
:
: All authors declare that they have no conflict of interest.