- Correspondence to Professor Ingo Kleiter, Department of Neurology, St. Josef Hospital, Ruhr University Bochum, Gudrunstr. 56, Bochum 44791, Germany;
- Received January 8, 2017
- Revised March 13, 2017
- Accepted March 20, 2017
- First published June 1, 2017.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.