Fink, K.
Busch, H.-J.
Article History
Received: 21 July 2017
Accepted: 4 January 2018
First Online: 19 March 2018
Compliance with ethical guidelines
:
: K. Fink and H.-J. Busch declare that they have no competing interests.
: The study was approved by the ethics committee of the University Medical Center Freiburg (approval number 328/09) in advance and conforms to the declaration of Helsinki. Informed consent was obtained post hoc from patients surviving with good neurological outcome or from their relatives in case of non-surviving patients. The trial was retrospectively registered in the German Clinical Trials Register (DRKS00011493) on 12/01/2017.