- Correspondence to Dr Joshua A Hirsch, NeuroEndovascular Program, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA;
- Received June 5, 2015
- Accepted June 8, 2015
- First published June 17, 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.