1. Department of Oral and Maxillofacial Surgery, School of Dentistry, Jeonbuk National University, Jeonju, Korea
2. Department of Oral and Maxillofaical Surgery, Section of Dentistry, Armed Forces Capital Hospital, Seongnam, Korea
3. Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Korea
4. Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, Jeonju, Korea