- Correspondence to: Dr Silvia Russo Laboratorio Biologia Molecolare, Istituto Auxologico Italiano, via Zucchi 18, 20095 Cusano Milanino (MI), Italy;
- Accepted November 14, 2005
- Revised November 4, 2005
- First published August 1, 2006.
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.