1. Department of Psychology and Speech-Language Pathology, University of Turku, Finland
2. Division of Medicine, Department of Pulmonary Diseases, Turku University Hospital, Turku, Finland
3. Sleep Research Centre, Department of Pulmonary Diseases and Clinical Allergology, University of Turku, Finland
4. Department of Cognitive Neuroscience and Philosophy, School of Bioscience, University of Skövde, Sweden