1. Department of Health Food; Chung Chou University of Science and Technology; Changhua 51003 Taiwan
2. Department of Family and Community Medicine; Chung Shan Medical University Hospital; Taichung 40201 Taiwan
3. School of Medicine; Chung Shan Medical University; Taichung 40201 Taiwan
4. Center for Education and Research on Geriatrics and Gerontology; Chung Shan Medical University; Taichung 40201 Taiwan
5. School of Nutrition; Chung Shan Medical University; Taichung 40201 Taiwan
6. Department of Nutrition; Chung Shan Medical University Hospital; Taichung 40201 Taiwan