- Correspondence to Dr Renato Pietro Ricci, Department of Cardiology San Filippo Neri Hospital, Via Martinotti, Rome 20 00135, Italy;
- Received November 12, 2013
- Revised January 21, 2014
- Accepted March 3, 2014
- First published March 28, 2014.
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.