- Correspondence to Dr Sandi L Pruitt, Washington University School of Medicine, Department of Medicine, Division of Health Behavior Research, Box 8504, 4444 Forest Park Avenue, Suite 6700, St Louis, MO 63108, USA;
- Accepted October 11, 2010
- First published November 23, 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.