1. Nutrition Therapy Support Center, Aichi Medical University Hospital, Nagakute 480-1195, Japan
2. Department of Geriatric Medicine, Hospital, National Center for Geriatrics and Gerontology, Obu 474-8511, Japan
3. Department of Rehabilitation Medicine, Hospital, National Center for Geriatrics and Gerontology, Obu 474-8511, Japan
4. Department of Nursing, Nishinomiya Kyoritsu Neurosurgical Hospital, Nishinomiya 663-8211, Japan
5. Department of Speech Language Pathology and Audiology, Faculty of Rehabilitation, Kawasaki University of Medical Welfare, Okayama 701-0193, Japan