- Correspondence to Waleed Brinjikji, Mayo Clinic, Department of Radiology, 200 1st St SW, Rochester, MN 55902, USA;
- Received May 20, 2015
- Revised August 25, 2015
- Accepted August 31, 2015
- First published September 14, 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.