[1] Kuopio University Hospital,Institute of Clinical Medicine, Department of Otorhinolaryngology
[2] and University of Eastern Finland,Clinical Physiology and Nuclear Medicine, Institute of Clinical Medicine
[3] Kuopio University Hospital,Department of Clinical Nutrition, School of Public Health and Clinical Nutrition
[4] and University of Eastern Finland,Division of Internal Medicine, Department of Medicine
[5] University of Eastern Finland,Department of Health Promotion and Chronic Diseases Prevention
[6] University of Helsinki,Respiratory Medicine, Institute of Clinical Medicine
[7] National Institute for Health and Welfare,Research Unit
[8] Kuopio University Hospital,undefined
[9] and University of Eastern Finland,undefined
[10] Oivauni Sleep Clinic,undefined
[11] Kuopio University Hospital,undefined