1. Center for Music in the Brain, Department of Clinical Medicine; Aarhus University & The Royal Academy of Music Aarhus/Aalborg; Aarhus Denmark
2. Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy; University of Cologne, Faculty of Medicine and University Hospital Cologne; Cologne Germany
3. Danish Centre of Sleep Medicine; Department of Clinical Neurophysiology, Glostrup Hospital; Glostrup Denmark