1. Department of Psychiatry and
2. Department of Public Health and
3. National Center for Geriatrics and Welfare Research, National Health Research Institutes, Miaoli, Taiwan;
4. Nox Research, Nox Medical ehf, Reykjavík, Iceland; and
5. Division of Sleep and Circadian Disorders, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
6. Sleep Medicine Center, Department of Pulmonary and Critical Care Medicine, China Medical University Hospital, Taichung, Taiwan;
7. School of Nursing & Graduate Institute of Nursing, China Medical University, Taichung, Taiwan;