Solomayer, Erich-Franz
Braun, Eva-Marie http://orcid.org/0000-0002-7621-8482
Zimmermann, Julia Sarah Maria
Radosa, Julia Caroline
Stroeder, Jonas
Endrikat, Jan
Gerlinger, Christoph
Article History
Received: 4 March 2019
Accepted: 16 April 2019
First Online: 1 May 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: As this was exclusively a retrospective review of patient records, no formal ethical approval was required after the regulations of Saarland University and Saarland ethics committee. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.