1. Graduate Institute of Health Allied Education, National Taipei University of Nursing and Health Sciences, Taipei City, Taiwan.
2. Department of Health Promotion and Gerontological Care, Taipei College of Maritime Technology, New Taipei City, Taiwan.
3. Graduate Institute of Integration of Traditional Chinese Medicine with Western Nursing, National Taipei University of Nursing and Health Sciences, Taipei City, Taiwan.
4. Department of Nursing, Hungkuang University, Taichung City, Taiwan.
5. Department of Exercise and Health Science, National Taipei University of Nursing and Health Sciences, Taipei City, Taiwan.