- Correspondence to Grazia Grazzini, Department of Screening, ISPO Cancer Prevention and Research Institute, Viale A Volta 171, 50131 Firenze, Italy;
- Received November 9, 2009
- Accepted April 16, 2010
- First published July 5, 2010.
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.