[1] Univ Cape Town, Rondebosch, South Africa
[2] Univ Oslo, Oslo, Norway
[3] Univ Oslo, Norwegian Ctr Mental Disorders Res, Oslo Univ Hosp, Oslo, Norway
[4] Univ Oslo, NORMENT, Oslo Univ Hosp, Oslo, Norway
[5] Univ Oslo, Inst Clin Med, Oslo, Norway
[6] Univ Bergen, Bergen, Norway
[7] Oslo Univ Hosp, Ctr Res & Educ Forens Psychiat SIFER, Oslo, Norway