[1] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Psychosis Studies, London, England
[2] South London & Maudsley NHS Fdn Trust, Outreach & Support South London Oasis Serv, London, England
[3] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Psychol Med, London, England
[4] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Psychol Med, Eany Psychosis Intervent & Clin Detect EPIC Lab, London, England
[5] Univ Pavia, Dept Brain & Behav Sci, Pavia, Italy
[6] South London & Maudsley NHS Fdn Trust, Natl Inst Hlth Res, Maudsley Biomed Res Ctr, London, England