1. Gachon Institute of Pharmaceutical Sciences; Gachon College of Pharmacy; Gachon University; Incheon Korea
2. Department of Periodontology; School of Dentistry; Kyung Hee University; Seoul Korea
3. Department of Microbiology and Immunology; Penn State University College of Medicine and Milton Hershey Medical Center; Hershey; PA USA
4. Department of Periodontology; College of Dentistry and Institute of Oral Bioscience; Chonbuk National University; Jeonju Korea
5. Research Institute of Clinical Medicine of Chonbuk National University-Biomedical Research Institute of Chonbuk National University Hospital; Jeonju Korea