1. Department of Maxillofacial Biomedical Engineering, School of Dentistry, Kyung Hee University, Seoul 02447, Korea.
2. Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Korea.
3. Department of Preventive Dentistry, School of Dentistry, Kyung Hee University, Seoul 02447, Korea.
4. Department of Oral and Maxillofacial Pathology, School of Dentistry, Kyung Hee University, Seoul 02447, Korea.
5. Institute of Oral Biology, School of Dentistry, Kyung Hee University, Seoul 02447, Korea.