1. Institute of Health and Wellbeing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Caledonia House, Royal Hospital for Sick Children, Yorkhill, Glasgow G3 8SJ, UK
2. Gillberg Neuropsychiatry Centre, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Kungsgatan 12, 411 19 Gothenburg, Sweden
3. Department of Educational Psychology, Sernámsdepilin, Frælsinum 32, 100 Tórshavn, Faroe Islands
4. Child and Youth Psychiatry, Psychiatric Department, The National Hospital of the Faroe Islands, J. C. Svabosgøta, 100 Tórshavn, Faroe Islands
5. Genetic Biobank of the Faroes, Ministry of Health, J. C. Svabosgøta 43, 100 Tórshavn, Faroe Islands
6. Psychiatric Center, The National Hospital of the Faroe Islands, J. C. Svabosgøta, 100 Tórshavn, Faroe Islands