1. Department of Family Medicine Chi Mei Medical Center, Jia-Li, Tainan, Taiwan
2. Institute of Gerontology, National Cheng Kung University Medical College, Tainan, Taiwan
3. Department of Food and Nutrition, Chung Hwa University of Medical Technology, Tainan, Taiwan
4. Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, Taiwan
5. Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
6. Department of Physical Medicine and Rehabilitation, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
7. Department of Neurology, Chi Mei Medical Center, Jia-Li, Tainan, Taiwan
8. Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
9. Department of Physical Medicine and Rehabilitation Chi Mei Medical Center, Jia-Li, Tainan, Taiwan