1. Department of Social Welfare, National Chung Cheng University, Chiayi, Taiwan
2. Department of Preventive Medicine, Kaohsiung Municipal Min-Sheng Hospital, Kaohsiung, Taiwan
3. Department of Health Services Administration, China Medical University, Taichung, Taiwan
4. School of Information Engineering, Sanming University, Fujian, China
5. Center for Innovative Research on Aging Society, National Chung Cheng University, Chiayi, Taiwan
6. Advanced Institute of Manufacturing with High-tech Innovations, National Chung Cheng University, Chiayi, Taiwan