- Correspondence to Dr Michel Piotin, Service de Neuroradiologie Interventionnelle, Hôpital de la Fondation Ophtalmologique Adolphe de Rothschild, 25–29 rue Manin, 75940 Paris Cedex 19, France;
- Received January 7, 2013
- Revised February 19, 2013
- Accepted February 22, 2013
- First published March 6, 2013.
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.