1. Department of Psychology and Behavioural Sciences, Aarhus University, Aarhus, Denmark
2. Department of Child & Adolescent Psychiatry, Research Unit, Psychiatry, Aarhus University Hospital ,Aarhus, Denmark
3. School of Academic Psychiatry, King’s College London, London, UK
4. Danish Center for Sleep Medicine, Department of Clinical Neurophysiology, Rigshospitalet, Copenhagen, Denmark