1. Healthy Aging Research Center Chang Gung University Taoyuan Taiwan
2. School of Nursing Hsin Sheng College of Medical Care and Management Taoyuan Taiwan
3. Department of Psychiatry Keelung Chang Gung Memorial Hospital Keelung Taiwan
4. School of Medicine Chang Gung University Taoyuan Taiwan
5. Department of Orthopedic Surgery Linkou Chang Gung Memorial Hospital Taoyuan Taiwan
6. Department of Psychology College of Science, National Taiwan University Taipei Taiwan
7. Department of Nursing Linkou Chang Gung Memorial Hospital Taoyuan Taiwan
8. School of Nursing College of Medicine, Chang Gung University Taoyuan Taiwan
9. Department of Nursing Kaohsiung Chang Gung Memorial Hospital Kaohsiung Taiwan
10. Department of Gerontology and Health Care Management Chang Gung University of Science and Technology Taoyuan Taiwan