1. Department of Family Medicine; China Medical University Hospital; Taichung Taiwan
2. School of Medicine, College of Medicine; China Medical University; Taichung Taiwan
3. PhD Program for Aging; College of Management; China Medical University; Taichung Taiwan
4. Graduate Institute of Basic Medical Science; College of Management; China Medical University; Taichung Taiwan
5. Graduate Institute of Biostatistics; College of Management; China Medical University; Taichung Taiwan
6. Department of Healthcare Administration; Asia University; Taichung Taiwan