- Correspondence to Dr Christoph Neuwirth, Neuromuscular Diseases Unit/ALS Clinic, Kantonsspital St.Gallen, Greithstrasse 20, St.Gallen CH-9007, Switzerland;
- Received January 29, 2015
- Revised March 31, 2015
- Accepted April 15, 2015
- First published May 2, 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.