- Correspondence to: Dr J P Pierce Cancer Prevention and Control Program, Moores UCSD Cancer Center, University of California, San Diego, 3855 Health Sciences Drive, 0901, La Jolla, California 92093-0901, USA;
- Received April 12, 2006
- Accepted August 16, 2006
- First published March 30, 2007.
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.