1. Department of Oral and Maxillofacial Radiology and Research Institute of Dental Education, College of Dentistry, Wonkwang University, Iksan, Korea.
2. Department of Oral and Maxillofacial Radiology, College of Dentistry, Wonkwang University, Iksan, Korea.
3. Department of Nuclear Medicine, Wonkwang University, School of Medicine and Institute of Wonkwang Medical Science, Iksan, Korea.
4. Department of Oral and Maxillofacial Surgery, College of Dentistry, Wonkwang University, Iksan, Korea.
5. Department of Oral and Maxillofacial Pathology, College of Dentistry, Wonkwang Bone Regeneration Research Institute, Daejeon Dental Hospital, Wonkwang University, Daejeon, Korea.