| Institution: | 1. Department of Periodontology, School of Dentistry, Dental Science Research Institute, Chonnam National University, Gwangju, South Korea;2. Department of Preventive Medicine, Chonnam National University Medical School, Gwangju, South Korea;3. Jeonnam Regional Cancer Center, Chonnam National University Hwasun Hospital, Hwasun, South Korea;4. Department of Preventive Medicine, Wonkwang University College of Medicine, Iksan, South Korea;5. Department of Oral Pathology, School of Dentistry, Dental Science Institute, Chonnam National University, Gwangju, South Korea |
