1. Department of Nursing Nishinomiya Kyoritsu Neurosurgical Hospital Nishinomiya Japan
2. Department of Palliative and Supportive Medicine Graduate School of Medicine, Aichi Medical University Nagakute Japan
3. Department of Geriatric Medicine Hospital, National Center for Geriatrics and Gerontology Obu Japan
4. Department of Nutrition Hamamatsu City Rehabilitation Hospital Shizuoka Japan
5. Biostatistics Center Kurume University Kurume Japan