Baumgart, Julius-Valentin
Stuhlmann-Laeisz, Christiane
Hegenbart, Ute
Nattenmüller, Johanna
Schönland, Stefan
Krüger, Sandra
Behrens, Hans-Michael
Röcken, Christoph http://orcid.org/0000-0002-6989-8002
Article History
Received: 19 June 2018
Revised: 16 July 2018
Accepted: 14 August 2018
First Online: 22 August 2018
Compliance with ethical standards
: This study was performed according to the Declaration of Helsinki. Ethical approval was obtained from the local ethical review board (D 581/15–585/15). All patient data were pseudonymized after study inclusion.
: The authors declare that they have no competing interests.