1. Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, MA
2. Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women’s Hospital, Boston, MA
3. Department of Biobehavioral Health, Pennsylvania State University, University Park, PA
4. Division of Sleep Medicine, Harvard Medical School, Boston, MA
5. Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA
6. Department of International and Community Oral Health, Tohoku University Graduate School of Dentistry, Sendai, Miyagi, Japan
7. Center for Preventive Medical Sciences, Chiba University, Chiba-shi, Chiba, Japan
8. Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan