1. Chronomics and Gerontology; Tokyo Women's Medical University; Arakawa-ku Tokyo Japan
2. Halberg Chronobiology Center; University of Minnesota; Minneapolis Minnesota
3. Home Medical Care; Medical Center East; Tokyo Women's Medical University; Arakawa-ku Tokyo Japan
4. Department of Medicine; Medical Center East; Tokyo Women's Medical University; Arakawa-ku Tokyo Japan
5. Department of Field Medicine; Research Institute for Humanity and Nature; Kamigyo-ku Kyoto Japan
6. Department of Field Medicine; Center for Southeast Asian Studies; Kyoo University; Kyoto Japan