1. Department of Preventive Dentistry, School of Dentistry, Kyungpook National University, Daegu, Korea.
2. Department of Preventive Dentistry and Public Oral Health, College of Dentistry, Yonsei University, Seoul, Korea.
3. Department of Health Convergence, Ewha Womans University, Seoul, Korea.
4. Department of Social and Humanity in Dentistry, Wonkwang University School of Dentistry, Iksan, Korea.
5. Department of Preventive Dentistry, Osaka University Graduate School of Dentistry, Osaka, Japan.
6. Institute for Translational Research in Dentistry, Kyungpook National University, Daegu, Korea.