Ishak, Basem http://orcid.org/0000-0002-6414-4295
Younsi, Alexander
Wieckhusen, Carola
Slonczewski, Paula
Unterberg, Andreas W.
Kiening, Karl L.
Article History
Received: 29 August 2018
Revised: 7 November 2018
Accepted: 6 December 2018
First Online: 19 December 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the local ethical committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This retrospective study was approved by the Ethics Committee of the Heidelberg University Medical School (No. S-723/2017).
: Informed consent was obtained from all individual participants included in the study.