Guberina, Nika
Gäckler, Anja
Grueneisen, Johannes
Wetter, Axel
Witzke, Oliver
Herrmann, Ken
Rischpler, Christoph
Fendler, Wolfgang
Umutlu, Lale
Sawicki, Lino Morris
Forsting, Michael
Rohn, Hana
Article History
Received: 1 January 2020
Revised: 24 May 2020
Accepted: 24 June 2020
First Online: 2 July 2020
Compliance with Ethical Standards
:
: Nika Guberina, Anja Gäckler, Johannes Grueneisen, Axel Wetter, Oliver Witzke, Ken Herrmann, Christoph Rischpler, Wolfgang Fendler, Lale Umutlu, Lino Morris Sawicki, Michael Forsting and Hana Rohn declare that they have no conflict of interest. There is no source of funding.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.
: The institutional review board of our institute approved this retrospective study, and the requirement to obtain informed consent was waived.