Viefhaus, Paula http://orcid.org/0000-0003-4929-8138
Döpfner, Manfred
Dachs, Lydia
Goletz, Hildegard
Görtz-Dorten, Anja
Kinnen, Claudia
Perri, Daniela
Rademacher, Christiane
Schürmann, Stephanie
Woitecki, Katrin
Wolff Metternich-Kaizman, Tanja
Walter, Daniel
Article History
Received: 18 October 2019
Accepted: 6 April 2020
First Online: 18 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the ethics committee at the University of Cologne and was therefore performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. All persons gave their informed consent prior to their inclusion in the study.