1. Healthy Aging Research Center Chang Gung University Taoyuan Taiwan
2. Department of Gerontological Health Care, College of Nursing National Taipei University of Nursing and Health Sciences Taipei Taiwan
3. School of Nursing, College of Medicine Chang Gung University Taoyuan Taiwan
4. Dementia Center, Department of Neurology Linkou Chang Gung Memorial Hospital Taoyuan Taiwan
5. Department of Nursing Kaohsiung Chang Gung Memorial Hospital Kaohsiung Taiwan
6. School of Medicine, College of Medicine Chang Gung University Taoyuan Taiwan