1. Sleep Research Centre, Department of Pulmonary Diseases and Clinical Allergology University of Turku Turku Finland
2. Department of Obstetrics and Gynecology University of Helsinki and Helsinki University Hospital Helsinki Finland
3. Heart Center, Turku University Hospital and University of Turku Turku Finland
4. Department of Clinical Medicine Biostatistics, University of Turku Turku Finland
5. Department of Mathematics and Statistics University of Turku Turku Finland
6. Auria Clinical Informatics, Turku University Hospital Turku Finland
7. Division of Medicine, Department of Pulmonary Diseases Turku University Hospital Turku Finland
8. Bragée ME/CFS Center, Bragée Kliniker Stockholm Sweden