1. Center for Sleep and Vigilance Disorders, University of Gothenburg, Sweden
2. Department of Public Health Solutions, Finnish Institute for Health and Welfare, Finland
3. Sleep Disorders Center, Sahlgrenska University Hospital, Sweden
4. Åstrand Laboratory of Work Physiology, The Swedish School of Sport and Health Sciences, Sweden
5. Center for Health and Performance, Gothenburg University, Sweden
6. Department of Molecular and Clinical Medicine, Gothenburg University, Sweden
7. Department of Clinical Physiology, Sahlgrenska University Hospital, Sweden
8. Department of Medicine and Geriatrics, Sahlgrenska University Hospital/Östra, Sweden