Hoffmann, Ute http://orcid.org/0000-0002-3005-4320
Drey, Michael
Thrun, Jan-Marc
Obermeier, Elsa
Weingart, Christian
Hafner, Katharina
Sieber, Cornel
Article History
Received: 2 July 2018
Accepted: 24 October 2018
First Online: 8 November 2018
Compliance with ethical standards
:
: The authors declare no competing financial interest.
: All procedures and the research protocol have been approved by the locally appointed ethics committee of the University of Regensburg.
: Informed consent was obtained from all individual participants included in the study.