[1] Univ Gothenburg, Sahlgrenska Acad, Inst Neurosci & Physiol, Dept Psychiat,Sect Psychiat & Neurochem, SE-41345 Gothenburg, Sweden
[2] Univ Gothenburg, Dept Social Med, Unit Social Med, Sahlgrenska Acad, SE-41345 Gothenburg, Sweden
[3] Univ Gothenburg, Dept Publ Hlth & Community Med, SE-41345 Gothenburg, Sweden
[4] Univ Gothenburg, Dept Social Med & Publ Hlth, Sahlgrenska Acad, SE-41345 Gothenburg, Sweden