1. Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
2. Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
3. Faculty of Human Health, Aichi Toho University, Nagoya, Japan
4. Department of Biomedical Engineering, School of Engineering, Tokai University, Kanagawa, Japan
5. Department of Human Science, Faculty of Design, Kyushu University, Fukuoka, Japan
6. Department of Environmental and Occupational Health, School of Medicine, Toho University, Tokyo, Japan
7. Department of Neuropsychiatry, Akita University Graduate School of Medicine, Akita, Japan