- Correspondence to Dr Alexander E Merkler, Department of Neurology, Weill Cornell Medical College, 525 East 68th Street, Room F610, New York, NY 10065, USA;
- Received December 16, 2014
- Revised February 14, 2015
- Accepted March 19, 2015
- First published April 8, 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.