1. Rehabilitation Engineering Services, Eastern General Hospital Edinburgh EH6 7LN, UK,
2. Richmond Park School, Glasgow, UK,
3. Perth Royal Infirmary, Perth, UK,
4. Carnegie Clinic, Dunfermline, UK,
5. Spinal Injuries Unit, Southern General Hospital, Glasgow, UK,
6. Chapel Allerton Hospital, Leeds, UK,
7. Ashcraig School, Glasgow, UK and
8. West of Scotland Mobility and Rehabilitation Centre, Southern General Hospital, Glasgow, UK