- Correspondence to Dr Jasper Hans van Lieshout, Department of Neurosurgery, Heinrich-Heine-University Düsseldorf, Düsseldorf, 40225, Germany;
- Received January 25, 2018
- Revised April 27, 2018
- Accepted May 13, 2018
- First published May 31, 2018.
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.