- Correspondence to: Dr G Kwakkel, Department of Physical Therapy, University Hospital Vrije Universiteit, Universiteit Department of Physiotherapy, PO Box 7057, 1007 MB Amsterdam, The Netherlands;
- Received July 24, 2001
- Accepted November 8, 2001
- Revised October 29, 2001
- First published April 1, 2002.
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.