1. Section of Epidemiology, Department of Public Health; University of Copenhagen; Copenhagen Denmark
2. Healthcare Services; Research Centre for Prevention and Health; Capital Region Denmark
3. UCL - Great Ormond Street Institute of Child Health; London UK
4. Department of Psychiatry, Faculty of Medicine; University of Geneva; Switzerland
5. Child and Adolescent Psychiatry Division, Department de ‘enfant et de l’adolescent, HUG; Geneva Switzerland