[1] Janssen UK, High Wycombe, Bucks, England
[2] Univ Edinburgh, Div Psychiat, Royal Edinburgh Hosp, Kennedy Tower, Edinburgh, Midlothian, Scotland
[3] Southern Hlth NHS Fdn Trust, Res Dept, Tom Rudd Unit, Southampton, Hants, England
[4] Janssen EMEA, Beerse, Belgium
[5] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Psychol Med, London, England
[6] Bethlem Royal & Maudsley Hosp, South London & Maudsley NHS Fdn Trust, Beckenham, Kent, England