1. Center for Well-being and Society; Nihon Fukushi University
2. Department of Registered Dietitian; Faculty of Human Wellness; Tokai Gakuen University; Nagoya; JapanY
3. Division of Sociological Approach in Dentistry; Department of Dental Sociology; Kanagawa Dental College; Yokosuka; JapanY
4. Department of International and Community Oral Health; Graduate School of Dentistry; Tohoku University; Sendai; JapanY
5. Department of Epidemiology and Public Health; University College London; London; UKY