1. R.C. Vance, PT, MSc, Physiotherapy Department, Beaumont Hospital, Beaumont Road, Dublin 9, Leinster, Ireland, and School of Physiotherapy, Royal College of Surgeons, 123 St Stephen's Green, Dublin 2, Dublin, Leinster, Ireland.
2. D.G. Healy, MD, PhD, Neurology Department, Beaumont Hospital.
3. R. Galvin, PT, PhD, School of Physiotherapy, Royal College of Surgeons.
4. H.P. French, PT, PhD, School of Physiotherapy, Royal College of Surgeons.