- Correspondence to Dr Bastian E A Sajonz, Department of Stereotactic and Functional Neurosurgery, Medical Center of the Albert-Ludwigs-University Freiburg, Breisacher Str 64, Freiburg (iBr) 79106, Germany;
- Received 15 January 2015
- Revised 27 March 2015
- Accepted 30 March 2015
- Published in print 1 May 2016.
- Published online 14 April 2016.
- Published first 21 April 2015.
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.