1. Center for General Education, College of Humanities and Social Sciences, Taipei Medical University, Taipei, Taiwan
2. Gerontology Institute, Georgia State University, Atlanta, GA, USA
3. Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan
4. Health Service and Population Research Department, Institute of Psychiatry, King’s College London, London, UK
5. Department of Nursing, College of Medicine, National Taiwan University, Taipei, Taiwan