- Correspondence to Dr Georg Daniel Duerr, Department of Cardiac Surgery, University Clinical Center Bonn, Sigmund-Freud-Str. 25, Bonn, NRW 53105, Germany;
- Received February 19, 2013
- Revised April 13, 2013
- Accepted May 14, 2013
- First published June 4, 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.