1. Department of Medicine Kyung Hee University College of Medicine Seoul South Korea
2. Center for Digital Health Medical Science Research Institute, Kyung Hee University Medical Center, Kyung Hee University College of Medicine Seoul South Korea
3. Department of Regulatory Science Kyung Hee University Seoul South Korea
4. Department of Biomedical Engineering Kyung Hee University Yongin South Korea
5. Division of Sleep Medicine Harvard Medical School Boston Massachusetts USA
6. Department of Anesthesia, Critical Care and Pain Medicine Massachusetts General Hospital Boston Massachusetts USA
7. Department of Otolaryngology—Head & Neck Surgery Kyung Hee University Medical Center, Kyung Hee University College of Medicine Seoul South Korea
8. Centre for Health, Performance and Wellbeing Anglia Ruskin University Cambridge UK
9. Department of Pediatrics Kyung Hee University Medical Center, Kyung Hee University College of Medicine Seoul South Korea