1. Department of PeriodontologySchool of DentistryChonbuk National University Jeon‐Ju South Korea
2. Research Institute of Clinical Medicine of Chonbuk National University‐Biomedical Research Institute of Chonbuk National University Hospital Jeon‐Ju South Korea
3. Department of PeriodontologySchool of DentistryBeihua University Jilin City Jilin China
4. Department of Dental PharmacologySchool of DentistryChonbuk National University Jeon‐Ju South Korea