1. Department of Prosthodontics, Dental Research Institute, Institute of Translational Dental Sciences, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan 50612, Republic of Korea
2. Biomedical Engineering, School of Medicine, Pusan National University, Yangsan, Republic of Korea
3. School of Dentistry, Pusan National University, Yangsan, Republic of Korea