- Dr Alan Pestronk, Department of Neurology, Box 8111, 660 South Euclid Avenue, St Louis, MO 63110, USA email
- Received July 22, 1999
- Revised November 1, 1999
- Accepted November 23, 1999
- First published April 1, 2000.
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.