- Correspondence to Dr Eric J Russell, Department of Radiology, Northwestern Radiology, 676N St Clair, Suite 800, Chicago, IL 60611, USA;
- Accepted February 29, 2012
- First published March 20, 2012.
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.