[1] Anglia Ruskin Univ, Dept Psychol, Cambridge CB1 1PT, England
[2] Cambridgeshire Commun Serv, Oliver Zangwill Ctr, St Ives, Cambs, England
[3] Cambridgeshire Commun Serv, Evelyn Commun Head Injury Serv, St Ives, Cambs, England
[4] Mt Gould Hosp, Plym Neurorehabilitat Unit, Plymouth, Devon, England
[5] Rookwood Hosp, Neurorehabilitat Unit, Cardiff, S Glam, Wales
[6] Univ Oxford, Oxford Inst Clin Psychol Training, Oxford, England