1. P.W. Gladwell, PhD, MCSP, BScHons, Pain Management Service, North Bristol NHS Trust, Southmead Hospital, Southmead Road, Bristol BS10 5NB, United Kingdom.
2. K. Badlan, MPhil, CertEdFE, MCSP, Faculty of Health and Life Sciences, University of the West of England, Bristol, United Kingdom.
3. F. Cramp, PhD, FCSP, BScHons, Faculty of Health and Life Sciences, University of the West of England.
4. S. Palmer, PhD, MCSP, FHEA, BScHons, Allied Health Professions, University of the West of England.