1. Departments of Internal Medicine, Division of Psychiatry China Medical University Beigang Hospital Yunlin Taiwan
2. Sleep Medicine Center and Mind‐Body Interface Laboratory (MBI‐Lab) China Medical University Hospital Taichung Taiwan
3. Department of Old Age Psychiatry, Institute of Psychiatry, Psychology and Neuroscience King's College London London UK
4. National Institute for Health Research (NIHR) Maudsley Biomedical Research Centre (BRC) at South London and Maudsley NHS Foundation Trust London UK
5. Centre for Age‐Related Medicine Stavanger University Hospital Stavanger Norway