-
C Okada
Division of Aging and Geriatric Dentistry, Tohoku University Graduate School of Dentistry
-
S Yamaguchi
Division of Aging and Geriatric Dentistry, Tohoku University Graduate School of Dentistry
-
Y Watanabe
Tohoku Fukushi University, Department of Health Services Management
-
M Watanabe
Tohoku University International Advanced Research and Education Organization