[1] South London & Maudsley NHS Fdn Trust, Physiotherapy Dept, London, England
[2] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Psychosis Studies, London, England
[3] Kings Coll London, Inst Psychiat Psychol & Neurosci, London, England
[4] South London & Maudsley NHS Fdn Trust, London, England
[5] Kings Coll Hosp London, NHS Fdn Trust, London SE5 8RX, England
[6] Univ Sussex, Sch Psychol, Brighton, E Sussex, England
[7] Sussex Partnership NHS Fdn Trust, Early Intervent Psychosis Serv, Worthing, W Sussex, England
[8] South London & Maudsley NHS Fdn Trust, Natl Psychosis Serv, London, England
[9] Inst Psychiat Psychol & Neurosci, London, England
[10] BRC Nucleus, Biomed Res Ctr, London, England