Corresponding Author

Hosung Shin

Department of Social and Humanity in Dentistry, Wonkwang University School of Dentistry, 460 Iksan Dearo, Iksan, North Jula, 54538 Republic of Korea

Corresponding author

Hosung Shin, DDS, PhD, MPH, Associate Professor, Department of Social and Humanity in Dentistry, Wonkwang University School of Dentistry, 460 Iksan Dearo, Iksan, North Jula, 54538, Republic of Korea, Phone: +82-63-850-6915, Fax: +82-63-850-6934

E-mail: shinhosung@gmail.com