1. Department of Physical Medicine and Rehabilitation Tri‐Service General Hospital, National Defense Medical Center Taipei ROC Taiwan
2. School of Nursing National Defense Medical Center Taipei ROC Taiwan
3. School of Nursing and Graduated Institute of Medical Science National Defense Medical Center and China Medical University Taipei and Taichung ROC Taiwan
4. School of Public Health and Graduated Institute of Medical Science National Defense Medical Center Taipei ROC Taiwan
5. National Center for Geriatrics and Welfare Research National Health Research Institutes Taipei ROC Taiwan
6. School of Nursing and Graduated Institute of Medical Sciences National Defense Medical Center Taipei ROC Taiwan