Hedderich, D. M.
Lummel, N.
Deschauer, M.
Kümpfel, T.
Schuh, E.
Patzig, M.
Zimmer, C.
Huber, T.
Article History
Received: 26 October 2018
Accepted: 17 December 2018
First Online: 9 January 2019
Conflict of interest
: D.M. Hedderich, N. Lummel, M. Deschauer, T. Kümpfel, E. Schuh, M. Patzig, C. Zimmer and T. Huber declare that they have no competing interests.