1. Department of Aging and Community Health, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
2. Department of Public Health, Tzu Chi University, Hualien, Taiwan
3. Department of Family Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
4. School of Medicine, Tzu Chi University, Hualien, Taiwan
5. Department of Rehabilitation Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
6. Department of Physical Therapy, Tzu Chi University, Hualien, Taiwan
7. Promotion Center of Long-Term Care, Buddhist Compassion Relief Tzu Chi Foundation, Hualien, Taiwan