1. Doctor of Dental Clinic, Yedam Dental Hospital, Mokpo, Republic of Korea
2. Postdoc Research Assistant, Department of Periodontology, School of Dentistry, Chosun University, Gwangju, Republic of Korea
3. Resident, Department of Periodontology, School of Dentistry, Chosun University, Gwangju, Republic of Korea
4. Curator, Korean Collection for Oral Microbiology, School of Dentistry, Chosun University, Gwangju, Republic of Korea
5. Master's Student, Department of Oral Biochemistry, School of Dentistry, Chosun University, Gwangju, Republic of Korea
6. Director, Korean Collection for Oral Microbiology, School of Dentistry, Chosun University, Gwangju, Republic of Korea
7. Professor, Department of Oral Biochemistry, School of Dentistry, Chosun University, Gwangju, Republic of Korea
8. Assistant Professor, Department of Periodontology, School of Dentistry, Chosun University, Gwangju, Republic of Korea
9. Professor, Department of Periodontology, School of Dentistry, Chosun University, Gwangju, Republic of Korea