Department of Removable Prosthodontics and Gerodontology, Graduate School of Dentistry, Osaka University

Division of Preventive Dentistry, Department of Oral Health Science, Graduate School of Dental Medicine, Hokkaido University

Department of Removable Prosthodontics and Gerodontology, Tokyo Dental College

Tokyo Metropolitan Institute for Geriatrics and Gerontology

Department of Oral Function Management, Graduate School of Dentistry, Showa University

Department of Removable Prosthodontics and Gerodontology, Graduate School of Dentistry, Osaka University

Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University（Institute of Science Tokyo）