[1
]
a Faculty of Medicine , School of Health Sciences, University of Iceland , Reykjavik
, Iceland ;
[2
]
b Mental Health Services, Landspitali University Hospital , Reykjavik , Iceland ;
[3
]
c Kings College London , UK ;
[4
]
d National Psychosis Unit, Bethlem Royal Hospital, South London and Maudsley NHS Foundation
Trust , London , UK.