1. Department of Oral Microbiology, School of Dentistry Pusan National University Yangsan Republic of Korea
2. Oral Genomics Research Center Pusan National University Yangsan Republic of Korea
3. Department of Neurology, Pusan National University Yangsan Hospital Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and Technology Yangsan Republic of Korea
4. Department of Periodontology, School of Dentistry Pusan National University Yangsan Republic of Korea
5. Dental Research Institute, School of Dentistry Pusan National University Yangsan Republic of Korea