1. Department of Ophthalmology; Keio University School of Medicine; Tokyo Japan
2. Department of Sleep-Wake Disorders; National Center of Neurology and Psychiatry; Tokyo Japan
3. Department of Student Affairs; Mie University; Mie Japan
4. Faculty of Health Sciences; Gumma Paz College; Takasaki Japan
5. Department of Culture, Faculty of Humanities; Fukuoka University; Fukuoka Japan
6. Kokoro Research Center; Kyoto University; Kyoto Japan
7. Department of Neuropsychiatry; Keio University School of Medicine; Tokyo Japan