- Correspondence to: Dr Aina Ågren-Wilsson Department of Clinical Neuroscience, Umeå University, S-901 85 Umeå, Sweden;
- Received April 8, 2004
- Accepted December 18, 2004
- Revised October 4, 2004
- First published July 15, 2005.
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.