- Dr F H H Linn, University Department of Neurology, Heidelberglaan 100, 3584 CX Utrecht, the Netherlands. Telephone 0031 30 2507975; fax 0031 30 2542100; email
- Received January 16, 1998
- Revised May 19, 1998
- Accepted June 15, 1998
- First published November 1, 1998.
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.