[1] Kings Coll London, Inst Psychiat, Hlth Serv & Populat Res Dept, London SE5 8AF, England
[2] Al Obregia Clin Psychiat Hosp, Bucharest, Romania
[3] Univ Gothenburg, Sahlgrenska Acad, Inst Neurosci & Physiol, Dept Psychiat & Neurochem, Gothenburg, Sweden
[4] Sahlgrens Univ Hosp, Psychosis Clin, Na Ut Teamet, Gothenburg, Sweden
[5] Univ Hosp Zagreb, Dept Psychiat, Zagreb, Croatia
[6] Inst Psychiat & Neurol, Warsaw, Poland
[7] Sisli Etfal Educ & Res Hosp, Psychiat Clin, Istanbul, Turkey
[8] LKH Rankweil, Psychiat 1, Rankweil, Austria
[9] Prague Psychiat Ctr, Prague, Czech Republic
[10] Assoc Mental Hlth Serv Improvement, Geneva, Switzerland