Kim, Yun-ji
Choi, Yun Sik
Baek, Keum Jin
Yoon, Seok-Hwan
Park, Hee Kyung
Choi, Youngnim
Funding for this research was provided by:
Seoul National University Dental Hospital Research Fund (01-2013-0003)
National Research Foundation of Korea (KR) (NRF-2013R1A1A3005669)
National Research Foundation of Korea (KR) (2013070465)