1. Department of Prosthodontics, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea.
2. Department of Periodontics and Endodontics, State University of New York at Buffalo, Buffalo, NY, USA.
3. Institute for Translational Research in Dentistry, Kyungpook National University, Daegu, Republic of Korea.
4. Department of Dental Biomaterials, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea.
5. Department of Dental Science, Graduate School, Kyungpook National University, Daegu, Republic of Korea.