1. Department of Paediatrics and Adolescent Medicine, Lillebaelt Hospital, University Hospital of Southern Denmark, Kolding, Denmark
2. Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
3. Research Unit Mental Health, Children and Adult, Aabenraa, Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
4. Centre for Suicide Research, Odense, Denmark