Uller, W. http://orcid.org/0000-0001-6756-9005
Hammer, S.
Wildgruber, M.
Müller-Wille, R.
Goessmann, H.
Wohlgemuth, W. A.
Article History
Received: 29 August 2018
Accepted: 16 October 2018
First Online: 29 October 2018
Compliance with Ethical Standards
:
: Authors WU, SH, WM, MWR, GH and WAW declare that they have no conflicts of interest.
: This retrospective study was approved by the institutional review board of the University of Regensburg; for this type of study, formal consent is not required.
: This study has obtained IRB approval from ethical committee of the University of Regensburg, and the need for informed consent was waived.
: For this type of study, consent for publication is not required.