1. Department of Medical Sciences, Respiratory, Allergy and Sleep Research Uppsala University Uppsala Sweden
2. Department of Medical Sciences, Clinical Physiology Uppsala Universitet Uppsala Sweden
3. The Medical Faculty University of Iceland Reykjavik Iceland
4. Department of Sleep Landspitali University Hospital Reykjavik Reykjavik Iceland
5. Thermo Fisher Scientific Uppsala Sweden
6. Department of Medical Biochemistry and Microbiology Uppsala University Uppsala Sweden
7. Readily Diagnostics Uppsala Sweden
8. Lung Clinic Tartu University Hospital Tartu Estonia