1. Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University (TMDU) Tokyo Japan
2. Department of Oral Function Management Graduate School of Dentistry, Showa University Tokyo Japan
3. Department of Dysphagia Rehabilitation, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University (TMDU) Tokyo Japan
4. Department of Oral Health Sciences for Community Welfare, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University (TMDU) Tokyo Japan
5. Department of Nutrition Service Tokyo Medical and Dental University Hospital Tokyo Japan
6. Medical Education Research and Development, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University (TMDU) Tokyo Japan