- Correspondence to Dr Kyle B Womack, Department of Neurology and Neurotherapeutics, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-9129, USA;
- Received June 2, 2015
- Revised July 20, 2015
- Accepted August 25, 2015
- First published September 10, 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.