Braun, Rüdiger
Benecke, Claudia
Nolde, Jan
Kleemann, Markus
Zimmermann, Markus
Keck, Tobias
Laubert, Tilman
Article History
Received: 17 January 2018
Accepted: 24 January 2018
First Online: 16 February 2018
Compliance with ethical guidelines
:
: R. Braun, C. Benecke, J. Nolde, M. Kleemann, M. Zimmermann, T. Keck, and T. Laubert declare that they have no competing interests.
: The study was approved by the local Ethics Committee (No. #07-124) and was therefore performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Informed consent was obtained from all individual participants included in the study.